Each window can remember its size

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -101,6 +101,7 @@ public class ConfigHandler
             EnableAutoAdjustMainLvColWidth = true
         };
         config.UiItem.MainColumnItem ??= new();
+        config.UiItem.WindowSizeItem ??= new();
 
         if (config.UiItem.CurrentLanguage.IsNullOrEmpty())
         {
@@ -2174,4 +2175,34 @@ public class ConfigHandler
     }
 
     #endregion Regional Presets
+
+    #region UIItem
+
+    public static WindowSizeItem? GetWindowSizeItem(Config config, string typeName)
+    {
+        var sizeItem = config?.UiItem?.WindowSizeItem?.FirstOrDefault(t => t.TypeName == typeName);
+        if (sizeItem == null || sizeItem.Width <= 0 || sizeItem.Height <= 0)
+        {
+            return null;
+        }
+
+        return sizeItem;
+    }
+
+    public static int SaveWindowSizeItem(Config config, string typeName, double width, double height)
+    {
+        var sizeItem = config?.UiItem?.WindowSizeItem?.FirstOrDefault(t => t.TypeName == typeName);
+        if (sizeItem == null)
+        {
+            sizeItem = new WindowSizeItem { TypeName = typeName };
+            config.UiItem.WindowSizeItem.Add(sizeItem);
+        }
+
+        sizeItem.Width = width;
+        sizeItem.Height = height;
+
+        return 0;
+    }
+
+    #endregion UIItem
 }

v2rayN/ServiceLib/Models/ConfigItems.cs

@@ -89,8 +89,6 @@ public class UIItem
 {
     public bool EnableAutoAdjustMainLvColWidth { get; set; }
     public bool EnableUpdateSubOnlyRemarksExist { get; set; }
-    public double MainWidth { get; set; }
-    public double MainHeight { get; set; }
     public double MainGirdHeight1 { get; set; }
     public double MainGirdHeight2 { get; set; }
     public EGirdOrientation MainGirdOrientation { get; set; } = EGirdOrientation.Vertical;
@@ -103,9 +101,10 @@ public class UIItem
     public bool DoubleClick2Activate { get; set; }
     public bool AutoHideStartup { get; set; }
     public bool Hide2TrayWhenClose { get; set; }
-    public List<ColumnItem> MainColumnItem { get; set; }
     public bool ShowInTaskbar { get; set; }
     public bool MacOSShowInDock { get; set; }
+    public List<ColumnItem> MainColumnItem { get; set; }
+    public List<WindowSizeItem> WindowSizeItem { get; set; }
 }
 
 [Serializable]
@@ -246,3 +245,11 @@ public class Fragment4RayItem
     public string? Length { get; set; }
     public string? Interval { get; set; }
 }
+
+[Serializable]
+public class WindowSizeItem
+{
+    public string TypeName { get; set; }
+    public double Width { get; set; }
+    public double Height { get; set; }
+}

v2rayN/ServiceLib/Models/IPAPIInfo.cs

@@ -4,7 +4,7 @@ internal class IPAPIInfo
 {
     public string? ip { get; set; }
     public string? clientIp { get; set; }
-    public string? ip_addr { get; set; }    
+    public string? ip_addr { get; set; }
     public string? query { get; set; }
     public string? country { get; set; }
     public string? country_name { get; set; }

v2rayN/ServiceLib/Models/ProfileItem.cs

@@ -4,7 +4,7 @@ using SQLite;
 namespace ServiceLib.Models;
 
 [Serializable]
-public class ProfileItem: ReactiveObject
+public class ProfileItem : ReactiveObject
 {
     public ProfileItem()
     {