Improve and optimize

Author: 2dust

v2rayN/ServiceLib/Global.cs

@@ -528,5 +528,12 @@ public class Global
         @""
     ];
 
+    public static readonly List<string> OutboundTags =
+    [
+        ProxyTag,
+        DirectTag,
+        BlockTag
+    ];
+
     #endregion const
 }

v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs

@@ -1369,7 +1369,7 @@ private bool ParseV2Address(string address, Rule4Sbox rule)
 
     private async Task<string?> GenRoutingUserRuleOutbound(string outboundTag, SingboxConfig singboxConfig)
     {
-        if (outboundTag is Global.ProxyTag or Global.DirectTag or Global.BlockTag)
+        if (Global.OutboundTags.Contains(outboundTag))
         {
             return outboundTag;
         }

v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs

@@ -631,7 +631,7 @@ private async Task<int> GenRoutingUserRule(RulesItem4Ray? rule, V2rayConfig v2ra
 
     private async Task<string?> GenRoutingUserRuleOutbound(string outboundTag, V2rayConfig v2rayConfig)
     {
-        if (outboundTag is Global.ProxyTag or Global.DirectTag or Global.BlockTag)
+        if (Global.OutboundTags.Contains(outboundTag))
         {
             return outboundTag;
         }

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

@@ -23,7 +23,8 @@ public RoutingRuleDetailsWindow(RulesItem rulesItem)
         clbInboundTag.SelectionChanged += ClbInboundTag_SelectionChanged;
 
         ViewModel = new RoutingRuleDetailsViewModel(rulesItem, UpdateViewHandler);
-        cmbOutboundTag.ItemsSource = new List<string> { Global.ProxyTag, Global.DirectTag, Global.BlockTag };
+
+        cmbOutboundTag.ItemsSource = Global.OutboundTags;
         Global.RuleProtocols.ForEach(it =>
         {
             clbProtocol.Items.Add(it);

v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs

@@ -16,9 +16,11 @@ public RoutingRuleDetailsWindow(RulesItem rulesItem)
         clbInboundTag.SelectionChanged += ClbInboundTag_SelectionChanged;
 
         ViewModel = new RoutingRuleDetailsViewModel(rulesItem, UpdateViewHandler);
-        cmbOutboundTag.Items.Add(Global.ProxyTag);
-        cmbOutboundTag.Items.Add(Global.DirectTag);
-        cmbOutboundTag.Items.Add(Global.BlockTag);
+  
+        Global.OutboundTags.ForEach(it =>
+        {
+            cmbOutboundTag.Items.Add(it);
+        });
         Global.RuleProtocols.ForEach(it =>
         {
             clbProtocol.Items.Add(it);