自定义窗体标题栏及尺寸调整手柄完成

MVVMExample/Views/MainWindow.axaml.cs

@@ -1,4 +1,6 @@
-using Avalonia.Controls;
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
 
 namespace MVVMExample.Views
 {
@@ -7,6 +9,43 @@ namespace MVVMExample.Views
         public MainWindow()
         {
             InitializeComponent();
+            //
+        }
+        // 处理标题栏拖拽以实现窗口移动
+        private void TitleBar_PointerPressed(object? sender, PointerPressedEventArgs e)
+        {
+            if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
+            {
+                BeginMoveDrag(e); // 关键：开始窗口拖拽
+            }
+        }
+        private void Bar_PointerPressed(object? sender, PointerPressedEventArgs e)
+        {
+            if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
+            {
+                BeginResizeDrag(WindowEdge.SouthEast, e); // 关键：开始窗口拖拽
+            }
+        }
+        // 最小化按钮
+        private void MinimizeBtn_Click(object? sender, RoutedEventArgs e)
+        {
+            WindowState = WindowState.Minimized;
+        }
+
+        // 最大化/还原按钮
+        private void MaximizeBtn_Click(object? sender, RoutedEventArgs e)
+        {
+            WindowState = WindowState == WindowState.Maximized
+                ? WindowState.Normal
+                : WindowState.Maximized;
+            // 可选：切换最大化/还原按钮的图标
+            MaximizeBtn.Content = WindowState == WindowState.Maximized ? "❐" : "□";
+        }
+
+        // 关闭按钮
+        private void CloseBtn_Click(object? sender, RoutedEventArgs e)
+        {
+            Close();
         }
     }
 }