Code clean

v2rayN/ServiceLib/Common/Utils.cs

@@ -424,7 +424,7 @@ public class Utils
         // Handle IPv6 addresses, e.g., "[2001:db8::1]:443"
         if (authority.StartsWith("[") && authority.Contains("]"))
         {
-            int closingBracketIndex = authority.LastIndexOf(']');
+            var closingBracketIndex = authority.LastIndexOf(']');
             if (closingBracketIndex < authority.Length - 1 && authority[closingBracketIndex + 1] == ':')
             {
                 // Port exists

v2rayN/ServiceLib/Common/WindowsJob.cs

@@ -1,6 +1,3 @@
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
 namespace ServiceLib.Common;
     /*
      * See:

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -447,13 +447,13 @@ public static class ConfigHandler
     /// <returns>0 if successful, -1 if failed</returns>
     public static async Task<int> MoveServer(Config config, List<ProfileItem> lstProfile, int index, EMove eMove, int pos = -1)
     {
-        int count = lstProfile.Count;
+        var count = lstProfile.Count;
         if (index < 0 || index > lstProfile.Count - 1)
         {
             return -1;
         }
 
-        for (int i = 0; i < lstProfile.Count; i++)
+        for (var i = 0; i < lstProfile.Count; i++)
         {
             ProfileExManager.Instance.SetSort(lstProfile[i].IndexId, (i + 1) * 10);
         }
@@ -527,7 +527,7 @@ public static class ConfigHandler
             return -1;
         }
         var ext = Path.GetExtension(fileName);
-        string newFileName = $"{Utils.GetGuid()}{ext}";
+        var newFileName = $"{Utils.GetGuid()}{ext}";
         //newFileName = Path.Combine(Utile.GetTempPath(), newFileName);
 
         try
@@ -1356,7 +1356,7 @@ public static class ConfigHandler
                 }
                 continue;
             }
-            var profileItem = FmtHandler.ResolveConfig(str, out string msg);
+            var profileItem = FmtHandler.ResolveConfig(str, out var msg);
             if (profileItem is null)
             {
                 continue;
@@ -1440,7 +1440,7 @@ public static class ConfigHandler
             {
                 await RemoveServersViaSubid(config, subid, isSub);
             }
-            int count = 0;
+            var count = 0;
             foreach (var it in lstProfiles)
             {
                 it.Subid = subid;
@@ -1530,7 +1530,7 @@ public static class ConfigHandler
         var lstSsServer = ShadowsocksFmt.ResolveSip008(strData);
         if (lstSsServer?.Count > 0)
         {
-            int counter = 0;
+            var counter = 0;
             foreach (var ssItem in lstSsServer)
             {
                 ssItem.Subid = subid;
@@ -1705,7 +1705,7 @@ public static class ConfigHandler
                 var maxSort = 0;
                 if (await SQLiteHelper.Instance.TableAsync<SubItem>().CountAsync() > 0)
                 {
-                    var lstSubs = (await AppManager.Instance.SubItems());
+                    var lstSubs = await AppManager.Instance.SubItems();
                     maxSort = lstSubs.LastOrDefault()?.Sort ?? 0;
                 }
                 item.Sort = maxSort + 1;
@@ -1867,7 +1867,7 @@ public static class ConfigHandler
     /// <returns>0 if successful, -1 if failed</returns>
     public static async Task<int> MoveRoutingRule(List<RulesItem> rules, int index, EMove eMove, int pos = -1)
     {
-        int count = rules.Count;
+        var count = rules.Count;
         if (index < 0 || index > rules.Count - 1)
         {
             return -1;

v2rayN/ServiceLib/Handler/CoreConfigHandler.cs

@@ -58,7 +58,7 @@ public static class CoreConfigHandler
                 File.Delete(fileName);
             }
 
-            string addressFileName = node.Address;
+            var addressFileName = node.Address;
             if (!File.Exists(addressFileName))
             {
                 addressFileName = Utils.GetConfigPath(addressFileName);

v2rayN/ServiceLib/Handler/Fmt/FmtHandler.cs

@@ -37,7 +37,7 @@ public class FmtHandler
 
         try
         {
-            string str = config.TrimEx();
+            var str = config.TrimEx();
             if (str.IsNullOrEmpty())
             {
                 msg = ResUI.FailedReadConfiguration;

v2rayN/ServiceLib/Handler/Fmt/Hysteria2Fmt.cs

@@ -33,9 +33,9 @@ public class Hysteria2Fmt : BaseFmt
     {
         if (item == null)
             return null;
-        string url = string.Empty;
+        var url = string.Empty;
 
-        string remark = string.Empty;
+        var remark = string.Empty;
         if (item.Remarks.IsNotEmpty())
         {
             remark = "#" + Utils.UrlEncode(item.Remarks);

v2rayN/ServiceLib/Manager/ActionPrecheckManager.cs

@@ -85,7 +85,7 @@ public class ActionPrecheckManager(Config config)
                     break;
 
                 case EConfigType.VLESS:
-                    if (item.Id.IsNullOrEmpty() || !Utils.IsGuidByParse(item.Id) && item.Id.Length > 30)
+                    if (item.Id.IsNullOrEmpty() || (!Utils.IsGuidByParse(item.Id) && item.Id.Length > 30))
                         errors.Add(string.Format(ResUI.InvalidProperty, "Id"));
                     if (!Global.Flows.Contains(item.Flow))
                         errors.Add(string.Format(ResUI.InvalidProperty, "Flow"));

v2rayN/ServiceLib/Models/ProfileItem.cs

@@ -28,7 +28,7 @@ public class ProfileItem : ReactiveObject
 
     public string GetSummary()
     {
-        var summary = $"[{(ConfigType).ToString()}] ";
+        var summary = $"[{ConfigType.ToString()}] ";
         if (IsComplex())
         {
             summary += $"[{CoreType.ToString()}]{Remarks}";

v2rayN/ServiceLib/Services/CoreConfig/V2ray/CoreConfigV2rayService.cs

@@ -94,8 +94,8 @@ public partial class CoreConfigV2rayService(Config config)
 
             ret.Msg = ResUI.InitialConfiguration;
 
-            string result = EmbedUtils.GetEmbedText(Global.V2raySampleClient);
+            var result = EmbedUtils.GetEmbedText(Global.V2raySampleClient);
-            string txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
+            var txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
             if (result.IsNullOrEmpty() || txtOutbound.IsNullOrEmpty())
             {
                 ret.Msg = ResUI.FailedGetDefaultConfiguration;
@@ -200,8 +200,8 @@ public partial class CoreConfigV2rayService(Config config)
 
             ret.Msg = ResUI.InitialConfiguration;
 
-            string result = EmbedUtils.GetEmbedText(Global.V2raySampleClient);
+            var result = EmbedUtils.GetEmbedText(Global.V2raySampleClient);
-            string txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
+            var txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
             if (result.IsNullOrEmpty() || txtOutbound.IsNullOrEmpty())
             {
                 ret.Msg = ResUI.FailedGetDefaultConfiguration;

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayConfigTemplateService.cs

@@ -87,7 +87,7 @@ public partial class CoreConfigV2rayService
         }
 
         var customOutboundsNode = new JsonArray();
-        
+
         foreach (var outbound in v2rayConfig.outbounds)
         {
             if (outbound.protocol.ToLower() is "blackhole" or "dns" or "freedom")
@@ -112,7 +112,7 @@ public partial class CoreConfigV2rayService
             }
             customOutboundsNode.Add(JsonUtils.DeepCopy(outbound));
         }
-        
+
         if (fullConfigTemplateNode["outbounds"] is JsonArray templateOutbounds)
         {
             foreach (var outbound in templateOutbounds)
@@ -120,7 +120,7 @@ public partial class CoreConfigV2rayService
                 customOutboundsNode.Add(outbound?.DeepClone());
             }
         }
-        
+
         fullConfigTemplateNode["outbounds"] = customOutboundsNode;
 
         return await Task.FromResult(JsonUtils.Serialize(fullConfigTemplateNode));

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayDnsService.cs

@@ -347,8 +347,8 @@ public partial class CoreConfigV2rayService
             if (obj is null)
             {
                 List<string> servers = [];
-                string[] arrDNS = normalDNS.Split(',');
+                var arrDNS = normalDNS.Split(',');
-                foreach (string str in arrDNS)
+                foreach (var str in arrDNS)
                 {
                     servers.Add(str);
                 }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayInboundService.cs

@@ -48,7 +48,7 @@ public partial class CoreConfigV2rayService
 
     private Inbounds4Ray GetInbound(InItem inItem, EInboundProtocol protocol, bool bSocks)
     {
-        string result = EmbedUtils.GetEmbedText(Global.V2raySampleInbound);
+        var result = EmbedUtils.GetEmbedText(Global.V2raySampleInbound);
         if (result.IsNullOrEmpty())
         {
             return new();

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs

@@ -453,16 +453,16 @@ public partial class CoreConfigV2rayService
                         };
 
                         //request Host
-                        string request = EmbedUtils.GetEmbedText(Global.V2raySampleHttpRequestFileName);
+                        var request = EmbedUtils.GetEmbedText(Global.V2raySampleHttpRequestFileName);
-                        string[] arrHost = host.Split(',');
+                        var arrHost = host.Split(',');
-                        string host2 = string.Join(",".AppendQuotes(), arrHost);
+                        var host2 = string.Join(",".AppendQuotes(), arrHost);
                         request = request.Replace("$requestHost$", $"{host2.AppendQuotes()}");
                         request = request.Replace("$requestUserAgent$", $"{useragent.AppendQuotes()}");
                         //Path
-                        string pathHttp = @"/";
+                        var pathHttp = @"/";
                         if (path.IsNotEmpty())
                         {
-                            string[] arrPath = path.Split(',');
+                            var arrPath = path.Split(',');
                             pathHttp = string.Join(",".AppendQuotes(), arrPath);
                         }
                         request = request.Replace("$requestPath$", $"{pathHttp.AppendQuotes()}");
@@ -623,10 +623,10 @@ public partial class CoreConfigV2rayService
             // Cache for chain proxies to avoid duplicate generation
             var nextProxyCache = new Dictionary<string, Outbounds4Ray?>();
             var prevProxyTags = new Dictionary<string, string?>(); // Map from profile name to tag
-            int prevIndex = 0; // Index for prev outbounds
+            var prevIndex = 0; // Index for prev outbounds
 
             // Process nodes
-            int index = 0;
+            var index = 0;
             foreach (var node in nodes)
             {
                 index++;

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayStatisticService.cs

@@ -6,7 +6,7 @@ public partial class CoreConfigV2rayService
     {
         if (_config.GuiItem.EnableStatistics || _config.GuiItem.DisplayRealTimeSpeed)
         {
-            string tag = EInboundProtocol.api.ToString();
+            var tag = EInboundProtocol.api.ToString();
             Metrics4Ray apiObj = new();
             Policy4Ray policyObj = new();
             SystemPolicy4Ray policySystemSetting = new();

v2rayN/ServiceLib/Services/UpdateService.cs

@@ -167,7 +167,7 @@ public class UpdateService
         try
         {
             var coreInfo = CoreInfoManager.Instance.GetCoreInfo(type);
-            string filePath = string.Empty;
+            var filePath = string.Empty;
             foreach (var name in coreInfo.CoreExes)
             {
                 var vName = Utils.GetBinPath(Utils.GetExeName(name), coreInfo.CoreType.ToString());
@@ -180,14 +180,14 @@ public class UpdateService
 
             if (!File.Exists(filePath))
             {
-                string msg = string.Format(ResUI.NotFoundCore, @"", "", "");
+                var msg = string.Format(ResUI.NotFoundCore, @"", "", "");
                 //ShowMsg(true, msg);
                 return new SemanticVersion("");
             }
 
             var result = await Utils.GetCliWrapOutput(filePath, coreInfo.VersionArg);
             var echo = result ?? "";
-            string version = string.Empty;
+            var version = string.Empty;
             switch (type)
             {
                 case ECoreType.v2fly:

v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs

@@ -211,7 +211,7 @@ public class ClashProxiesViewModel : MyReactiveObject
         }
 
         //from api
-        foreach (KeyValuePair<string, ProxiesItem> kv in _proxies)
+        foreach (var kv in _proxies)
         {
             if (!Global.allowSelectType.Contains(kv.Value.type.ToLower()))
             {
@@ -319,7 +319,7 @@ public class ClashProxiesViewModel : MyReactiveObject
         //from providers
         if (_providers != null)
         {
-            foreach (KeyValuePair<string, ProvidersItem> kv in _providers)
+            foreach (var kv in _providers)
             {
                 if (Global.proxyVehicleType.Contains(kv.Value.vehicleType.ToLower()))
                 {

v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs

@@ -273,12 +273,12 @@ public class OptionSettingViewModel : MyReactiveObject
             NoticeManager.Instance.Enqueue(ResUI.FillLocalListeningPort);
             return;
         }
-        var needReboot = (EnableStatistics != _config.GuiItem.EnableStatistics
+        var needReboot = EnableStatistics != _config.GuiItem.EnableStatistics
                           || DisplayRealTimeSpeed != _config.GuiItem.DisplayRealTimeSpeed
                         || EnableDragDropSort != _config.UiItem.EnableDragDropSort
                         || EnableHWA != _config.GuiItem.EnableHWA
                         || CurrentFontFamily != _config.UiItem.CurrentFontFamily
-                        || MainGirdOrientation != (int)_config.UiItem.MainGirdOrientation);
+                        || MainGirdOrientation != (int)_config.UiItem.MainGirdOrientation;
 
         //if (Utile.IsNullOrEmpty(Kcpmtu.ToString()) || !Utile.IsNumeric(Kcpmtu.ToString())
         //       || Utile.IsNullOrEmpty(Kcptti.ToString()) || !Utile.IsNumeric(Kcptti.ToString())
@@ -375,7 +375,7 @@ public class OptionSettingViewModel : MyReactiveObject
 
     private async Task SaveCoreType()
     {
-        for (int k = 1; k <= _config.CoreTypeItem.Count; k++)
+        for (var k = 1; k <= _config.CoreTypeItem.Count; k++)
         {
             var item = _config.CoreTypeItem[k - 1];
             var type = string.Empty;

v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs

@@ -658,7 +658,7 @@ public class ProfilesViewModel : MyReactiveObject
         }
 
         _dicHeaderSort.TryAdd(colName, true);
-        _dicHeaderSort.TryGetValue(colName, out bool asc);
+        _dicHeaderSort.TryGetValue(colName, out var asc);
         if (await ConfigHandler.SortServers(_config, _config.SubIndexId, colName, asc) != 0)
         {
             return;

v2rayN/ServiceLib/ViewModels/RoutingRuleSettingViewModel.cs

@@ -215,7 +215,7 @@ public class RoutingRuleSettingViewModel : MyReactiveObject
 
     private async Task SaveRoutingAsync()
     {
-        string remarks = SelectedRouting.Remarks;
+        var remarks = SelectedRouting.Remarks;
         if (remarks.IsNullOrEmpty())
         {
             NoticeManager.Instance.Enqueue(ResUI.PleaseFillRemarks);
@@ -286,7 +286,7 @@ public class RoutingRuleSettingViewModel : MyReactiveObject
             return;
         }
 
-        DownloadService downloadHandle = new DownloadService();
+        var downloadHandle = new DownloadService();
         var result = await downloadHandle.TryDownloadString(url, true, "");
         var ret = await AddBatchRoutingRulesAsync(SelectedRouting, result);
         if (ret == 0)
@@ -298,7 +298,7 @@ public class RoutingRuleSettingViewModel : MyReactiveObject
 
     private async Task<int> AddBatchRoutingRulesAsync(RoutingItem routingItem, string? clipboardData)
     {
-        bool blReplace = false;
+        var blReplace = false;
         if (await _updateView?.Invoke(EViewAction.AddBatchRoutingRulesYesNo, null) == false)
         {
             blReplace = true;

v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs

@@ -313,10 +313,10 @@ public class StatusBarViewModel : MyReactiveObject
         }
 
         BlServers = true;
-        for (int k = 0; k < lstModel.Count; k++)
+        for (var k = 0; k < lstModel.Count; k++)
         {
             ProfileItem it = lstModel[k];
-            string name = it.GetSummary();
+            var name = it.GetSummary();
 
             var item = new ComboItem() { ID = it.IndexId, Text = name };
             Servers.Add(item);
@@ -394,10 +394,10 @@ public class StatusBarViewModel : MyReactiveObject
     {
         await SysProxyHandler.UpdateSysProxy(_config, false);
 
-        BlSystemProxyClear = (type == ESysProxyType.ForcedClear);
+        BlSystemProxyClear = type == ESysProxyType.ForcedClear;
-        BlSystemProxySet = (type == ESysProxyType.ForcedChange);
+        BlSystemProxySet = type == ESysProxyType.ForcedChange;
-        BlSystemProxyNothing = (type == ESysProxyType.Unchanged);
+        BlSystemProxyNothing = type == ESysProxyType.Unchanged;
-        BlSystemProxyPac = (type == ESysProxyType.Pac);
+        BlSystemProxyPac = type == ESysProxyType.Pac;
 
         if (blChange)
         {

v2rayN/v2rayN.Desktop/GlobalUsings.cs

@@ -17,13 +17,13 @@ global using Avalonia.Markup.Xaml;
 global using Avalonia.Media;
 global using Avalonia.Media.Imaging;
 global using Avalonia.Platform;
-global using ReactiveUI.Avalonia;
 global using Avalonia.Styling;
 global using Avalonia.Threading;
-global using ReactiveUI;
-global using ReactiveUI.Fody.Helpers;
 global using DynamicData;
 global using MsBox.Avalonia.Enums;
+global using ReactiveUI;
+global using ReactiveUI.Avalonia;
+global using ReactiveUI.Fody.Helpers;
 global using ServiceLib;
 global using ServiceLib.Base;
 global using ServiceLib.Common;

v2rayN/v2rayN.Desktop/Views/AddGroupServerWindow.axaml.cs

@@ -13,8 +13,8 @@ public partial class AddGroupServerWindow : WindowBase<AddGroupServerViewModel>
     {
         InitializeComponent();
 
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
         lstChild.SelectionChanged += LstChild_SelectionChanged;
 
         ViewModel = new AddGroupServerViewModel(profileItem, UpdateViewHandler);
@@ -32,11 +32,11 @@ public partial class AddGroupServerWindow : WindowBase<AddGroupServerViewModel>
         switch (profileItem.ConfigType)
         {
             case EConfigType.PolicyGroup:
-                this.Title = ResUI.TbConfigTypePolicyGroup;
+                Title = ResUI.TbConfigTypePolicyGroup;
                 break;
 
             case EConfigType.ProxyChain:
-                this.Title = ResUI.TbConfigTypeProxyChain;
+                Title = ResUI.TbConfigTypeProxyChain;
                 gridPolicyGroup.IsVisible = false;
                 break;
         }
@@ -64,7 +64,7 @@ public partial class AddGroupServerWindow : WindowBase<AddGroupServerViewModel>
         menuSelectAllChild.Click += (s, e) => lstChild.SelectAll();
 
         // Keyboard shortcuts when focus is within grid
-        this.AddHandler(KeyDownEvent, AddGroupServerWindow_KeyDown, RoutingStrategies.Tunnel);
+        AddHandler(KeyDownEvent, AddGroupServerWindow_KeyDown, RoutingStrategies.Tunnel);
         lstChild.LoadingRow += LstChild_LoadingRow;
     }
 
@@ -78,7 +78,7 @@ public partial class AddGroupServerWindow : WindowBase<AddGroupServerViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml.cs

@@ -14,8 +14,8 @@ public partial class AddServer2Window : WindowBase<AddServer2ViewModel>
     {
         InitializeComponent();
 
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
         ViewModel = new AddServer2ViewModel(profileItem, UpdateViewHandler);
 
         cmbCoreType.ItemsSource = Utils.GetEnumNames<ECoreType>().Where(t => t != ECoreType.v2rayN.ToString()).ToList().AppendEmpty();
@@ -39,7 +39,7 @@ public partial class AddServer2Window : WindowBase<AddServer2ViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
 
             case EViewAction.BrowseServer:

v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs

@@ -13,8 +13,8 @@ public partial class AddServerWindow : WindowBase<AddServerViewModel>
     {
         InitializeComponent();
 
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
         cmbNetwork.SelectionChanged += CmbNetwork_SelectionChanged;
         cmbStreamSecurity.SelectionChanged += CmbStreamSecurity_SelectionChanged;
         btnGUID.Click += btnGUID_Click;
@@ -196,7 +196,7 @@ public partial class AddServerWindow : WindowBase<AddServerViewModel>
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
         });
 
-        this.Title = $"{profileItem.ConfigType}";
+        Title = $"{profileItem.ConfigType}";
     }
 
     private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
@@ -204,7 +204,7 @@ public partial class AddServerWindow : WindowBase<AddServerViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN.Desktop/Views/ClashProxiesView.axaml.cs

@@ -7,7 +7,7 @@ public partial class ClashProxiesView : ReactiveUserControl<ClashProxiesViewMode
         InitializeComponent();
         ViewModel = new ClashProxiesViewModel(UpdateViewHandler);
         lstProxyDetails.DoubleTapped += LstProxyDetails_DoubleTapped;
-        this.KeyDown += ClashProxiesView_KeyDown;
+        KeyDown += ClashProxiesView_KeyDown;
 
         this.WhenActivated(disposables =>
         {

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs

@@ -12,7 +12,7 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
 
         _config = AppManager.Instance.Config;
         Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
         ViewModel = new DNSSettingViewModel(UpdateViewHandler);
 
         cmbRayFreedomDNSStrategy.ItemsSource = Global.DomainStrategy4Freedoms;
@@ -77,7 +77,7 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN.Desktop/Views/FullConfigTemplateWindow.axaml.cs

@@ -12,7 +12,7 @@ public partial class FullConfigTemplateWindow : WindowBase<FullConfigTemplateVie
 
         _config = AppManager.Instance.Config;
         Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
         ViewModel = new FullConfigTemplateViewModel(UpdateViewHandler);
 
         this.WhenActivated(disposables =>
@@ -36,7 +36,7 @@ public partial class FullConfigTemplateWindow : WindowBase<FullConfigTemplateVie
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml.cs

@@ -17,8 +17,8 @@ public partial class GlobalHotkeySettingWindow : WindowBase<GlobalHotkeySettingV
 
         HotkeyManager.Instance.IsPause = true;
         Loaded += Window_Loaded;
-        this.Closing += (s, e) => HotkeyManager.Instance.IsPause = false;
+        Closing += (s, e) => HotkeyManager.Instance.IsPause = false;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
 
         this.WhenActivated(disposables =>
         {
@@ -34,7 +34,7 @@ public partial class GlobalHotkeySettingWindow : WindowBase<GlobalHotkeySettingV
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs

@@ -21,7 +21,7 @@ public partial class MainWindow : WindowBase<MainWindowViewModel>
         _config = AppManager.Instance.Config;
         _manager = new WindowNotificationManager(TopLevel.GetTopLevel(this)) { MaxItems = 3, Position = NotificationPosition.TopRight };
 
-        this.KeyDown += MainWindow_KeyDown;
+        KeyDown += MainWindow_KeyDown;
         menuSettingsSetUWP.Click += menuSettingsSetUWP_Click;
         menuPromotion.Click += menuPromotion_Click;
         menuCheckUpdate.Click += MenuCheckUpdate_Click;
@@ -153,14 +153,14 @@ public partial class MainWindow : WindowBase<MainWindowViewModel>
 
         if (Utils.IsWindows())
         {
-            this.Title = $"{Utils.GetVersion()} - {(Utils.IsAdministrator() ? ResUI.RunAsAdmin : ResUI.NotRunAsAdmin)}";
+            Title = $"{Utils.GetVersion()} - {(Utils.IsAdministrator() ? ResUI.RunAsAdmin : ResUI.NotRunAsAdmin)}";
 
             ThreadPool.RegisterWaitForSingleObject(Program.ProgramStarted, OnProgramStarted, null, -1, false);
             HotkeyManager.Instance.Init(_config, OnHotkeyHandler);
         }
         else
         {
-            this.Title = $"{Utils.GetVersion()}";
+            Title = $"{Utils.GetVersion()}";
 
             menuRebootAsAdmin.IsVisible = false;
             menuSettingsSetUWP.IsVisible = false;
@@ -170,7 +170,7 @@ public partial class MainWindow : WindowBase<MainWindowViewModel>
 
         if (_config.UiItem.AutoHideStartup && Utils.IsWindows())
         {
-            this.WindowState = WindowState.Minimized;
+            WindowState = WindowState.Minimized;
         }
 
         AddHelpMenuItem();
@@ -407,27 +407,27 @@ public partial class MainWindow : WindowBase<MainWindowViewModel>
                     : !_config.UiItem.ShowInTaskbar);
         if (bl)
         {
-            this.Show();
+            Show();
-            if (this.WindowState == WindowState.Minimized)
+            if (WindowState == WindowState.Minimized)
             {
-                this.WindowState = WindowState.Normal;
+                WindowState = WindowState.Normal;
             }
-            this.Activate();
+            Activate();
-            this.Focus();
+            Focus();
         }
         else
         {
             if (Utils.IsLinux() && _config.UiItem.Hide2TrayWhenClose == false)
             {
-                this.WindowState = WindowState.Minimized;
+                WindowState = WindowState.Minimized;
                 return;
             }
 
-            foreach (var ownedWindow in this.OwnedWindows)
+            foreach (var ownedWindow in OwnedWindows)
             {
                 ownedWindow.Close();
             }
-            this.Hide();
+            Hide();
         }
 
         _config.UiItem.ShowInTaskbar = bl;

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs

@@ -11,7 +11,7 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
         InitializeComponent();
 
         Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
         _config = AppManager.Instance.Config;
 
         ViewModel = new OptionSettingViewModel(UpdateViewHandler);
@@ -153,7 +153,7 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
 
             case EViewAction.InitSettingFont:

v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs

@@ -13,8 +13,8 @@ public partial class RoutingRuleDetailsWindow : WindowBase<RoutingRuleDetailsVie
     {
         InitializeComponent();
 
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
         clbProtocol.SelectionChanged += ClbProtocol_SelectionChanged;
         clbInboundTag.SelectionChanged += ClbInboundTag_SelectionChanged;
 
@@ -61,7 +61,7 @@ public partial class RoutingRuleDetailsWindow : WindowBase<RoutingRuleDetailsVie
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml.cs

@@ -14,9 +14,9 @@ public partial class RoutingRuleSettingWindow : WindowBase<RoutingRuleSettingVie
     {
         InitializeComponent();
 
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
-        this.KeyDown += RoutingRuleSettingWindow_KeyDown;
+        KeyDown += RoutingRuleSettingWindow_KeyDown;
         lstRules.SelectionChanged += lstRules_SelectionChanged;
         lstRules.DoubleTapped += LstRules_DoubleTapped;
         menuRuleSelectAll.Click += menuRuleSelectAll_Click;
@@ -64,7 +64,7 @@ public partial class RoutingRuleSettingWindow : WindowBase<RoutingRuleSettingVie
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
 
             case EViewAction.ShowYesNo:

v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml.cs

@@ -12,9 +12,9 @@ public partial class RoutingSettingWindow : WindowBase<RoutingSettingViewModel>
         InitializeComponent();
 
         Loaded += Window_Loaded;
-        this.Closing += RoutingSettingWindow_Closing;
+        Closing += RoutingSettingWindow_Closing;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
-        this.KeyDown += RoutingSettingWindow_KeyDown;
+        KeyDown += RoutingSettingWindow_KeyDown;
         lstRoutings.SelectionChanged += lstRoutings_SelectionChanged;
         lstRoutings.DoubleTapped += LstRoutings_DoubleTapped;
         menuRoutingAdvancedSelectAll.Click += menuRoutingAdvancedSelectAll_Click;
@@ -48,7 +48,7 @@ public partial class RoutingSettingWindow : WindowBase<RoutingSettingViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
 
             case EViewAction.ShowYesNo:
@@ -116,7 +116,7 @@ public partial class RoutingSettingWindow : WindowBase<RoutingSettingViewModel>
     private void btnCancel_Click(object? sender, RoutedEventArgs e)
     {
         _manualClose = true;
-        this.Close(ViewModel?.IsModified);
+        Close(ViewModel?.IsModified);
     }
 
     private void RoutingSettingWindow_Closing(object? sender, WindowClosingEventArgs e)

v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml.cs

@@ -14,7 +14,7 @@ public partial class SubEditWindow : WindowBase<SubEditViewModel>
         InitializeComponent();
 
         Loaded += Window_Loaded;
-        btnCancel.Click += (s, e) => this.Close();
+        btnCancel.Click += (s, e) => Close();
 
         ViewModel = new SubEditViewModel(subItem, UpdateViewHandler);
 
@@ -45,7 +45,7 @@ public partial class SubEditWindow : WindowBase<SubEditViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close(true);
+                Close(true);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml.cs

@@ -14,8 +14,8 @@ public partial class SubSettingWindow : WindowBase<SubSettingViewModel>
 
         menuClose.Click += menuClose_Click;
         Loaded += Window_Loaded;
-        this.Closing += SubSettingWindow_Closing;
+        Closing += SubSettingWindow_Closing;
-        this.KeyDown += SubSettingWindow_KeyDown;
+        KeyDown += SubSettingWindow_KeyDown;
         ViewModel = new SubSettingViewModel(UpdateViewHandler);
         lstSubscription.DoubleTapped += LstSubscription_DoubleTapped;
         lstSubscription.SelectionChanged += LstSubscription_SelectionChanged;
@@ -37,7 +37,7 @@ public partial class SubSettingWindow : WindowBase<SubSettingViewModel>
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.Close();
+                Close();
                 break;
 
             case EViewAction.ShowYesNo:
@@ -89,7 +89,7 @@ public partial class SubSettingWindow : WindowBase<SubSettingViewModel>
     private void menuClose_Click(object? sender, RoutedEventArgs e)
     {
         _manualClose = true;
-        this.Close(ViewModel?.IsModified);
+        Close(ViewModel?.IsModified);
     }
 
     private void SubSettingWindow_Closing(object? sender, WindowClosingEventArgs e)

v2rayN/v2rayN.Desktop/Views/SudoPasswordInputView.axaml.cs

@@ -9,7 +9,7 @@ public partial class SudoPasswordInputView : UserControl
     {
         InitializeComponent();
 
-        this.Loaded += (s, e) => txtPassword.Focus();
+        Loaded += (s, e) => txtPassword.Focus();
 
         btnSave.Click += async (_, _) => await SavePasswordAsync();
 

v2rayN/v2rayN/App.xaml.cs

@@ -9,7 +9,7 @@ public partial class App : Application
 
     public App()
     {
-        this.DispatcherUnhandledException += App_DispatcherUnhandledException;
+        DispatcherUnhandledException += App_DispatcherUnhandledException;
         AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
         TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
     }
@@ -23,7 +23,7 @@ public partial class App : Application
         var exePathKey = Utils.GetMd5(Utils.GetExePath());
 
         var rebootas = (e.Args ?? Array.Empty<string>()).Any(t => t == Global.RebootAs);
-        ProgramStarted = new EventWaitHandle(false, EventResetMode.AutoReset, exePathKey, out bool bCreatedNew);
+        ProgramStarted = new EventWaitHandle(false, EventResetMode.AutoReset, exePathKey, out var bCreatedNew);
         if (!rebootas && !bCreatedNew)
         {
             ProgramStarted.Set();

v2rayN/v2rayN/Common/UI.cs

@@ -1,6 +1,6 @@
 using Microsoft.Win32;
 
-namespace v2rayN;
+namespace v2rayN.Common;
 
 internal class UI
 {

v2rayN/v2rayN/Common/WindowsUtils.cs

@@ -3,7 +3,7 @@ using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using Microsoft.Win32;
 
-namespace v2rayN;
+namespace v2rayN.Common;
 
 internal static class WindowsUtils
 {
@@ -40,13 +40,13 @@ internal static class WindowsUtils
     }
 
     [DllImport("dwmapi.dll")]
-    public static extern int DwmSetWindowAttribute(IntPtr hwnd, DWMWINDOWATTRIBUTE attribute, ref int attributeValue, uint attributeSize);
+    public static extern int DwmSetWindowAttribute(nint hwnd, DWMWINDOWATTRIBUTE attribute, ref int attributeValue, uint attributeSize);
 
     public static ImageSource IconToImageSource(Icon icon)
     {
         return Imaging.CreateBitmapSourceFromHIcon(
             icon.Handle,
-            new System.Windows.Int32Rect(0, 0, icon.Width, icon.Height),
+            new Int32Rect(0, 0, icon.Width, icon.Height),
             BitmapSizeOptions.FromEmptyOptions());
     }
 
@@ -65,9 +65,9 @@ internal static class WindowsUtils
     private static void SetDarkBorder(Window window, bool dark)
     {
         // Make sure the handle is created before the window is shown
-        IntPtr hWnd = new WindowInteropHelper(window).EnsureHandle();
+        var hWnd = new WindowInteropHelper(window).EnsureHandle();
-        int attribute = dark ? 1 : 0;
+        var attribute = dark ? 1 : 0;
-        uint attributeSize = (uint)Marshal.SizeOf(attribute);
+        var attributeSize = (uint)Marshal.SizeOf(attribute);
         DwmSetWindowAttribute(hWnd, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1, ref attribute, attributeSize);
         DwmSetWindowAttribute(hWnd, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, ref attribute, attributeSize);
     }

v2rayN/v2rayN/Manager/HotkeyManager.cs

@@ -43,7 +43,7 @@ public sealed class HotkeyManager
                     modifiers |= KeyModifiers.Alt;
                 }
 
-                key = key << 16 | (int)modifiers;
+                key = (key << 16) | (int)modifiers;
                 if (!_hotkeyTriggerDic.ContainsKey(key))
                 {
                     _hotkeyTriggerDic.Add(key, new() { item.EGlobalHotkey });
@@ -103,7 +103,7 @@ public sealed class HotkeyManager
     private (int fsModifiers, int vKey, string hotkeyStr, List<string> Names) GetHotkeyInfo(int hotkeyCode)
     {
         var fsModifiers = hotkeyCode & 0xffff;
-        var vKey = hotkeyCode >> 16 & 0xffff;
+        var vKey = (hotkeyCode >> 16) & 0xffff;
         var hotkeyStr = new StringBuilder();
         var names = new List<string>();
 

v2rayN/v2rayN/Manager/WindowsManager.cs

@@ -60,18 +60,18 @@ public sealed class WindowsManager
                 return null;
             }
 
-            Color color = ColorTranslator.FromHtml("#3399CC");
+            var color = ColorTranslator.FromHtml("#3399CC");
-            int index = (int)config.SystemProxyItem.SysProxyType;
+            var index = (int)config.SystemProxyItem.SysProxyType;
             if (index > 0)
             {
                 color = (new[] { Color.Red, Color.Purple, Color.DarkGreen, Color.Orange, Color.DarkSlateBlue, Color.RoyalBlue })[index - 1];
             }
 
-            int width = 128;
+            var width = 128;
-            int height = 128;
+            var height = 128;
 
             Bitmap bitmap = new(width, height);
-            Graphics graphics = Graphics.FromImage(bitmap);
+            var graphics = Graphics.FromImage(bitmap);
             SolidBrush drawBrush = new(color);
 
             graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
@@ -79,7 +79,7 @@ public sealed class WindowsManager
             graphics.DrawImage(new Bitmap(item.CustomIcon), 0, 0, width, height);
             graphics.FillEllipse(drawBrush, width / 2, width / 2, width / 2, width / 2);
 
-            Icon createdIcon = Icon.FromHandle(bitmap.GetHicon());
+            var createdIcon = Icon.FromHandle(bitmap.GetHicon());
 
             drawBrush.Dispose();
             graphics.Dispose();

v2rayN/v2rayN/Views/AddGroupServerWindow.xaml.cs

@@ -6,9 +6,9 @@ public partial class AddGroupServerWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
-        this.PreviewKeyDown += AddGroupServerWindow_PreviewKeyDown;
+        PreviewKeyDown += AddGroupServerWindow_PreviewKeyDown;
         lstChild.SelectionChanged += LstChild_SelectionChanged;
         menuSelectAllChild.Click += MenuSelectAllChild_Click;
 
@@ -27,11 +27,11 @@ public partial class AddGroupServerWindow
         switch (profileItem.ConfigType)
         {
             case EConfigType.PolicyGroup:
-                this.Title = ResUI.TbConfigTypePolicyGroup;
+                Title = ResUI.TbConfigTypePolicyGroup;
                 break;
 
             case EConfigType.ProxyChain:
-                this.Title = ResUI.TbConfigTypeProxyChain;
+                Title = ResUI.TbConfigTypeProxyChain;
                 gridPolicyGroup.Visibility = Visibility.Collapsed;
                 break;
         }
@@ -61,7 +61,7 @@ public partial class AddGroupServerWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/AddServer2Window.xaml.cs

@@ -6,8 +6,8 @@ public partial class AddServer2Window
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
         ViewModel = new AddServer2ViewModel(profileItem, UpdateViewHandler);
 
         cmbCoreType.ItemsSource = Utils.GetEnumNames<ECoreType>().Where(t => t != ECoreType.v2rayN.ToString()).ToList().AppendEmpty();
@@ -32,11 +32,11 @@ public partial class AddServer2Window
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
 
             case EViewAction.BrowseServer:
-                if (UI.OpenFileDialog(out string fileName, "Config|*.json|YAML|*.yaml;*.yml|All|*.*") != true)
+                if (UI.OpenFileDialog(out var fileName, "Config|*.json|YAML|*.yaml;*.yml|All|*.*") != true)
                 {
                     return false;
                 }

v2rayN/v2rayN/Views/AddServerWindow.xaml.cs

@@ -8,8 +8,8 @@ public partial class AddServerWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
         cmbNetwork.SelectionChanged += CmbNetwork_SelectionChanged;
         cmbStreamSecurity.SelectionChanged += CmbStreamSecurity_SelectionChanged;
         btnGUID.Click += btnGUID_Click;
@@ -191,7 +191,7 @@ public partial class AddServerWindow
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
         });
 
-        this.Title = $"{profileItem.ConfigType}";
+        Title = $"{profileItem.ConfigType}";
         WindowsUtils.SetDarkBorder(this, AppManager.Instance.Config.UiItem.CurrentTheme);
     }
 
@@ -200,7 +200,7 @@ public partial class AddServerWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/BackupAndRestoreView.xaml.cs

@@ -28,7 +28,7 @@ public partial class BackupAndRestoreView
 
     private void MenuLocalBackup_Click(object sender, RoutedEventArgs e)
     {
-        if (UI.SaveFileDialog(out string fileName, "Zip|*.zip") != true)
+        if (UI.SaveFileDialog(out var fileName, "Zip|*.zip") != true)
         {
             return;
         }
@@ -37,7 +37,7 @@ public partial class BackupAndRestoreView
 
     private void MenuLocalRestore_Click(object sender, RoutedEventArgs e)
     {
-        if (UI.OpenFileDialog(out string fileName, "Zip|*.zip|All|*.*") != true)
+        if (UI.OpenFileDialog(out var fileName, "Zip|*.zip|All|*.*") != true)
         {
             return;
         }

v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs

@@ -8,7 +8,7 @@ public partial class DNSSettingWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
         _config = AppManager.Instance.Config;
 
         ViewModel = new DNSSettingViewModel(UpdateViewHandler);
@@ -78,7 +78,7 @@ public partial class DNSSettingWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/FullConfigTemplateWindow.xaml.cs

@@ -8,7 +8,7 @@ public partial class FullConfigTemplateWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
         _config = AppManager.Instance.Config;
 
         ViewModel = new FullConfigTemplateViewModel(UpdateViewHandler);
@@ -35,7 +35,7 @@ public partial class FullConfigTemplateWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs

@@ -11,14 +11,14 @@ public partial class GlobalHotkeySettingWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
 
         ViewModel = new GlobalHotkeySettingViewModel(UpdateViewHandler);
 
         btnReset.Click += btnReset_Click;
 
         HotkeyManager.Instance.IsPause = true;
-        this.Closing += (s, e) => HotkeyManager.Instance.IsPause = false;
+        Closing += (s, e) => HotkeyManager.Instance.IsPause = false;
 
         this.WhenActivated(disposables =>
         {
@@ -35,7 +35,7 @@ public partial class GlobalHotkeySettingWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/MainWindow.xaml.cs

@@ -19,8 +19,8 @@ public partial class MainWindow
         ThreadPool.RegisterWaitForSingleObject(App.ProgramStarted, OnProgramStarted, null, -1, false);
 
         App.Current.SessionEnding += Current_SessionEnding;
-        this.Closing += MainWindow_Closing;
+        Closing += MainWindow_Closing;
-        this.PreviewKeyDown += MainWindow_PreviewKeyDown;
+        PreviewKeyDown += MainWindow_PreviewKeyDown;
         menuSettingsSetUWP.Click += menuSettingsSetUWP_Click;
         menuPromotion.Click += menuPromotion_Click;
         menuClose.Click += menuClose_Click;
@@ -150,10 +150,10 @@ public partial class MainWindow
              .DisposeWith(disposables);
         });
 
-        this.Title = $"{Utils.GetVersion()} - {(Utils.IsAdministrator() ? ResUI.RunAsAdmin : ResUI.NotRunAsAdmin)}";
+        Title = $"{Utils.GetVersion()} - {(Utils.IsAdministrator() ? ResUI.RunAsAdmin : ResUI.NotRunAsAdmin)}";
         if (_config.UiItem.AutoHideStartup)
         {
-            this.WindowState = WindowState.Minimized;
+            WindowState = WindowState.Minimized;
         }
 
         if (!_config.GuiItem.EnableHWA)
@@ -187,35 +187,35 @@ public partial class MainWindow
             case EViewAction.AddServerWindow:
                 if (obj is null)
                     return false;
-                return (new AddServerWindow((ProfileItem)obj)).ShowDialog() ?? false;
+                return new AddServerWindow((ProfileItem)obj).ShowDialog() ?? false;
 
             case EViewAction.AddServer2Window:
                 if (obj is null)
                     return false;
-                return (new AddServer2Window((ProfileItem)obj)).ShowDialog() ?? false;
+                return new AddServer2Window((ProfileItem)obj).ShowDialog() ?? false;
 
             case EViewAction.AddGroupServerWindow:
                 if (obj is null)
                     return false;
-                return (new AddGroupServerWindow((ProfileItem)obj)).ShowDialog() ?? false;
+                return new AddGroupServerWindow((ProfileItem)obj).ShowDialog() ?? false;
 
             case EViewAction.DNSSettingWindow:
-                return (new DNSSettingWindow().ShowDialog() ?? false);
+                return new DNSSettingWindow().ShowDialog() ?? false;
 
             case EViewAction.RoutingSettingWindow:
-                return (new RoutingSettingWindow().ShowDialog() ?? false);
+                return new RoutingSettingWindow().ShowDialog() ?? false;
 
             case EViewAction.OptionSettingWindow:
-                return (new OptionSettingWindow().ShowDialog() ?? false);
+                return new OptionSettingWindow().ShowDialog() ?? false;
 
             case EViewAction.FullConfigTemplateWindow:
-                return (new FullConfigTemplateWindow().ShowDialog() ?? false);
+                return new FullConfigTemplateWindow().ShowDialog() ?? false;
 
             case EViewAction.GlobalHotkeySettingWindow:
-                return (new GlobalHotkeySettingWindow().ShowDialog() ?? false);
+                return new GlobalHotkeySettingWindow().ShowDialog() ?? false;
 
             case EViewAction.SubSettingWindow:
-                return (new SubSettingWindow().ShowDialog() ?? false);
+                return new SubSettingWindow().ShowDialog() ?? false;
 
             case EViewAction.ScanScreenTask:
                 await ScanScreenTaskAsync();
@@ -372,7 +372,7 @@ public partial class MainWindow
             this?.Show();
             if (this?.WindowState == WindowState.Minimized)
             {
-                this.WindowState = WindowState.Normal;
+                WindowState = WindowState.Normal;
             }
             this?.Activate();
             this?.Focus();

v2rayN/v2rayN/Views/MsgView.xaml.cs

@@ -31,10 +31,10 @@ public partial class MsgView
             case EViewAction.DispatcherShowMsg:
                 if (obj is null)
                     return false;
-                Application.Current?.Dispatcher.Invoke((() =>
+                Application.Current?.Dispatcher.Invoke(() =>
                 {
                     ShowMsg(obj);
-                }), DispatcherPriority.ApplicationIdle);
+                }, DispatcherPriority.ApplicationIdle);
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs

@@ -10,7 +10,7 @@ public partial class OptionSettingWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
         _config = AppManager.Instance.Config;
 
         ViewModel = new OptionSettingViewModel(UpdateViewHandler);
@@ -136,7 +136,7 @@ public partial class OptionSettingWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
 
             case EViewAction.InitSettingFont:
@@ -168,12 +168,12 @@ public partial class OptionSettingWindow
             foreach (var ttf in files)
             {
                 var families = Fonts.GetFontFamilies(Utils.GetFontsPath(ttf));
-                foreach (FontFamily family in families)
+                foreach (var family in families)
                 {
                     var typefaces = family.GetTypefaces();
-                    foreach (Typeface typeface in typefaces)
+                    foreach (var typeface in typefaces)
                     {
-                        typeface.TryGetGlyphTypeface(out GlyphTypeface glyph);
+                        typeface.TryGetGlyphTypeface(out var glyph);
                         //var fontFace = glyph.Win32FaceNames[new CultureInfo("en-us")];
                         //if (!fontFace.Equals("Regular") && !fontFace.Equals("Normal"))
                         //{

v2rayN/v2rayN/Views/ProfilesSelectWindow.xaml.cs

@@ -71,7 +71,7 @@ public partial class ProfilesSelectWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/ProfilesView.xaml.cs

@@ -127,7 +127,7 @@ public partial class ProfilesView
             case EViewAction.SaveFileDialog:
                 if (obj is null)
                     return false;
-                if (UI.SaveFileDialog(out string fileName, "Config|*.json") != true)
+                if (UI.SaveFileDialog(out var fileName, "Config|*.json") != true)
                 {
                     return false;
                 }
@@ -137,17 +137,17 @@ public partial class ProfilesView
             case EViewAction.AddServerWindow:
                 if (obj is null)
                     return false;
-                return (new AddServerWindow((ProfileItem)obj)).ShowDialog() ?? false;
+                return new AddServerWindow((ProfileItem)obj).ShowDialog() ?? false;
 
             case EViewAction.AddServer2Window:
                 if (obj is null)
                     return false;
-                return (new AddServer2Window((ProfileItem)obj)).ShowDialog() ?? false;
+                return new AddServer2Window((ProfileItem)obj).ShowDialog() ?? false;
 
             case EViewAction.AddGroupServerWindow:
                 if (obj is null)
                     return false;
-                return (new AddGroupServerWindow((ProfileItem)obj)).ShowDialog() ?? false;
+                return new AddGroupServerWindow((ProfileItem)obj).ShowDialog() ?? false;
 
             case EViewAction.ShareServer:
                 if (obj is null)
@@ -158,7 +158,7 @@ public partial class ProfilesView
             case EViewAction.SubEditWindow:
                 if (obj is null)
                     return false;
-                return (new SubEditWindow((SubItem)obj)).ShowDialog() ?? false;
+                return new SubEditWindow((SubItem)obj).ShowDialog() ?? false;
 
             case EViewAction.DispatcherRefreshServersBiz:
                 Application.Current?.Dispatcher.Invoke(RefreshServersBiz, DispatcherPriority.Normal);
@@ -415,8 +415,8 @@ public partial class ProfilesView
     private void LstProfiles_MouseMove(object sender, MouseEventArgs e)
     {
         // Get the current mouse position
-        Point mousePos = e.GetPosition(null);
+        var mousePos = e.GetPosition(null);
-        Vector diff = startPoint - mousePos;
+        var diff = startPoint - mousePos;
 
         if (e.LeftButton == MouseButtonState.Pressed &&
             (Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance ||
@@ -429,7 +429,7 @@ public partial class ProfilesView
             if (listViewItem == null)
                 return;           // Abort
                                   // Find the data behind the ListViewItem
-            ProfileItemModel item = (ProfileItemModel)listView.ItemContainerGenerator.ItemFromContainer(listViewItem);
+            var item = (ProfileItemModel)listView.ItemContainerGenerator.ItemFromContainer(listViewItem);
             if (item == null)
                 return;                   // Abort
                                           // Initialize the drag & drop operation
@@ -462,7 +462,7 @@ public partial class ProfilesView
                 return;
             }
             // Find the data behind the Item
-            ProfileItemModel item = (ProfileItemModel)listView.ItemContainerGenerator.ItemFromContainer(listViewItem);
+            var item = (ProfileItemModel)listView.ItemContainerGenerator.ItemFromContainer(listViewItem);
             if (item == null)
                 return;
             // Move item into observable collection

v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs

@@ -6,8 +6,8 @@ public partial class RoutingRuleDetailsWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
         clbProtocol.SelectionChanged += ClbProtocol_SelectionChanged;
         clbInboundTag.SelectionChanged += ClbInboundTag_SelectionChanged;
 
@@ -54,7 +54,7 @@ public partial class RoutingRuleDetailsWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs

@@ -6,9 +6,9 @@ public partial class RoutingRuleSettingWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
-        this.PreviewKeyDown += RoutingRuleSettingWindow_PreviewKeyDown;
+        PreviewKeyDown += RoutingRuleSettingWindow_PreviewKeyDown;
         lstRules.SelectionChanged += lstRules_SelectionChanged;
         lstRules.MouseDoubleClick += LstRules_MouseDoubleClick;
         menuRuleSelectAll.Click += menuRuleSelectAll_Click;
@@ -57,7 +57,7 @@ public partial class RoutingRuleSettingWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
 
             case EViewAction.ShowYesNo:
@@ -80,11 +80,11 @@ public partial class RoutingRuleSettingWindow
 
                 if (obj is null)
                     return false;
-                return (new RoutingRuleDetailsWindow((RulesItem)obj)).ShowDialog() ?? false;
+                return new RoutingRuleDetailsWindow((RulesItem)obj).ShowDialog() ?? false;
 
             case EViewAction.ImportRulesFromFile:
 
-                if (UI.OpenFileDialog(out string fileName, "Rules|*.json|All|*.*") != true)
+                if (UI.OpenFileDialog(out var fileName, "Rules|*.json|All|*.*") != true)
                 {
                     return false;
                 }
@@ -174,7 +174,7 @@ public partial class RoutingRuleSettingWindow
 
     private void btnBrowseCustomIcon_Click(object sender, System.Windows.RoutedEventArgs e)
     {
-        if (UI.OpenFileDialog(out string fileName,
+        if (UI.OpenFileDialog(out var fileName,
             "PNG,ICO|*.png;*.ico") != true)
         {
             return;
@@ -185,7 +185,7 @@ public partial class RoutingRuleSettingWindow
 
     private void btnBrowseCustomRulesetPath4Singbox_Click(object sender, RoutedEventArgs e)
     {
-        if (UI.OpenFileDialog(out string fileName,
+        if (UI.OpenFileDialog(out var fileName,
               "Config|*.json|All|*.*") != true)
         {
             return;

v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs

@@ -6,9 +6,9 @@ public partial class RoutingSettingWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
-        this.Closing += RoutingSettingWindow_Closing;
+        Closing += RoutingSettingWindow_Closing;
-        this.PreviewKeyDown += RoutingSettingWindow_PreviewKeyDown;
+        PreviewKeyDown += RoutingSettingWindow_PreviewKeyDown;
         lstRoutings.SelectionChanged += lstRoutings_SelectionChanged;
         lstRoutings.MouseDoubleClick += LstRoutings_MouseDoubleClick;
         menuRoutingAdvancedSelectAll.Click += menuRoutingAdvancedSelectAll_Click;
@@ -44,7 +44,7 @@ public partial class RoutingSettingWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
 
             case EViewAction.ShowYesNo:
@@ -58,7 +58,7 @@ public partial class RoutingSettingWindow
 
                 if (obj is null)
                     return false;
-                return (new RoutingRuleSettingWindow((RoutingItem)obj)).ShowDialog() ?? false;
+                return new RoutingRuleSettingWindow((RoutingItem)obj).ShowDialog() ?? false;
         }
         return await Task.FromResult(true);
     }
@@ -67,7 +67,7 @@ public partial class RoutingSettingWindow
     {
         if (ViewModel?.IsModified == true)
         {
-            this.DialogResult = true;
+            DialogResult = true;
         }
     }
 
@@ -122,11 +122,11 @@ public partial class RoutingSettingWindow
     {
         if (ViewModel?.IsModified == true)
         {
-            this.DialogResult = true;
+            DialogResult = true;
         }
         else
         {
-            this.Close();
+            Close();
         }
     }
 }

v2rayN/v2rayN/Views/StatusBarView.xaml.cs

@@ -71,11 +71,11 @@ public partial class StatusBarView
         switch (action)
         {
             case EViewAction.DispatcherRefreshIcon:
-                Application.Current?.Dispatcher.Invoke((async () =>
+                Application.Current?.Dispatcher.Invoke(async () =>
                 {
                     tbNotify.Icon = await WindowsManager.Instance.GetNotifyIcon(_config);
                     Application.Current.MainWindow.Icon = WindowsManager.Instance.GetAppIcon(_config);
-                }), DispatcherPriority.Normal);
+                }, DispatcherPriority.Normal);
                 break;
 
             case EViewAction.SetClipboardData:

v2rayN/v2rayN/Views/SubEditWindow.xaml.cs

@@ -6,8 +6,8 @@ public partial class SubEditWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
-        this.Loaded += Window_Loaded;
+        Loaded += Window_Loaded;
 
         ViewModel = new SubEditViewModel(subItem, UpdateViewHandler);
 
@@ -39,7 +39,7 @@ public partial class SubEditWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
         }
         return await Task.FromResult(true);

v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs

@@ -8,10 +8,10 @@ public partial class SubSettingWindow
     {
         InitializeComponent();
 
-        this.Owner = Application.Current.MainWindow;
+        Owner = Application.Current.MainWindow;
 
         ViewModel = new SubSettingViewModel(UpdateViewHandler);
-        this.Closing += SubSettingWindow_Closing;
+        Closing += SubSettingWindow_Closing;
         lstSubscription.MouseDoubleClick += LstSubscription_MouseDoubleClick;
         lstSubscription.SelectionChanged += LstSubscription_SelectionChanged;
         menuClose.Click += menuClose_Click;
@@ -34,7 +34,7 @@ public partial class SubSettingWindow
         switch (action)
         {
             case EViewAction.CloseWindow:
-                this.DialogResult = true;
+                DialogResult = true;
                 break;
 
             case EViewAction.ShowYesNo:
@@ -47,7 +47,7 @@ public partial class SubSettingWindow
             case EViewAction.SubEditWindow:
                 if (obj is null)
                     return false;
-                return (new SubEditWindow((SubItem)obj)).ShowDialog() ?? false;
+                return new SubEditWindow((SubItem)obj).ShowDialog() ?? false;
 
             case EViewAction.ShareSub:
                 if (obj is null)
@@ -78,7 +78,7 @@ public partial class SubSettingWindow
     {
         if (ViewModel?.IsModified == true)
         {
-            this.DialogResult = true;
+            DialogResult = true;
         }
     }
 
@@ -99,11 +99,11 @@ public partial class SubSettingWindow
     {
         if (ViewModel?.IsModified == true)
         {
-            this.DialogResult = true;
+            DialogResult = true;
         }
         else
         {
-            this.Close();
+            Close();
         }
     }
 }