首次提交

2026-02-23 10:28:26 +08:00
commit 3461bb9cb3
259 changed files with 22591 additions and 0 deletions
--- a/WpfAppTest/WindowBehavior.cs
+++ b/WpfAppTest/WindowBehavior.cs
@@ -0,0 +1,132 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Interop;
+
+namespace WpfAppTest.Behavior
+{
+    public static class WindowBehavior
+    {
+        // 这是我们的附加属性，用于启用自定义窗口行为
+        public static readonly DependencyProperty EnableCustomWindowBehaviorProperty =
+            DependencyProperty.RegisterAttached(
+                "EnableCustomWindowBehavior",
+                typeof(bool),
+                typeof(WindowBehavior),
+                new PropertyMetadata(false, OnEnableCustomWindowBehaviorChanged));
+
+        public static bool GetEnableCustomWindowBehavior(DependencyObject obj)
+        {
+            return (bool)obj.GetValue(EnableCustomWindowBehaviorProperty);
+        }
+
+        public static void SetEnableCustomWindowBehavior(DependencyObject obj, bool value)
+        {
+            obj.SetValue(EnableCustomWindowBehaviorProperty, value);
+        }
+
+        // 当 EnableCustomWindowBehavior 属性值改变时触发
+        private static void OnEnableCustomWindowBehaviorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is Window window)
+            {
+                if ((bool)e.NewValue)
+                {
+                    // 当启用行为时，在窗口加载后查找并绑定元素
+                    window.Loaded += Window_Loaded;
+                }
+                else
+                {
+                    // 当禁用行为时，解除绑定（如果需要更彻底的清理，可以做更多操作）
+                    window.Loaded -= Window_Loaded;
+                }
+            }
+        }
+
+        // 窗口加载后执行，此时 ControlTemplate 已经被应用
+        private static void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            if (sender is Window window)
+            {
+                // *** 关键：通过 FindName 在 ControlTemplate 中查找元素 ***
+                // 这些元素的 x:Name 必须与你的 Window 样式模板中的名称一致！
+                Button minimizeButton = window.Template.FindName("MinimizeButton", window) as Button;
+                Button maximizeRestoreButton = window.Template.FindName("MaximizeRestoreButton", window) as Button;
+                Button closeButton = window.Template.FindName("CloseButton", window) as Button;
+                Border titleBarDragArea = window.Template.FindName("WindowBorder", window) as Border; // 或者你的标题栏 Border 的 x:Name
+                Border resizeGrip = window.Template.FindName("PART_ResizeGrip", window) as Border; // 调整大小手柄
+
+                // --- 绑定按钮点击事件 ---
+                if (minimizeButton != null)
+                {
+                    minimizeButton.Click += (s, ev) => window.WindowState = WindowState.Minimized;
+                }
+
+                if (maximizeRestoreButton != null)
+                {
+                    maximizeRestoreButton.Click += (s, ev) =>
+                    {
+                        if (window.WindowState == WindowState.Normal)
+                            window.WindowState = WindowState.Maximized;
+                        else
+                            window.WindowState = WindowState.Normal;
+                    };
+                }
+
+                if (closeButton != null)
+                {
+                    closeButton.Click += (s, ev) => window.Close();
+                }
+
+                // --- 绑定标题栏拖拽和双击最大化事件 ---
+                if (titleBarDragArea != null)
+                {
+                    // 单击并拖动以移动窗口
+                    titleBarDragArea.MouseLeftButtonDown += (s, ev) =>
+                    {
+                        if (ev.ClickCount == 1 && window.WindowState == WindowState.Normal)
+                        {
+                            window.DragMove(); // WPF 内置的拖动方法
+                        }
+                    };
+
+                    // 双击标题栏最大化/还原窗口
+                    titleBarDragArea.MouseLeftButtonDown += (s, ev) =>
+                    {
+                        if (ev.ClickCount == 2)
+                        {
+                            if (window.WindowState == WindowState.Normal)
+                                window.WindowState = WindowState.Maximized;
+                            else
+                                window.WindowState = WindowState.Normal;
+                        }
+                    };
+                }
+
+                // --- 处理调整大小手柄 ---
+                if (resizeGrip != null)
+                {
+                    resizeGrip.PreviewMouseLeftButtonDown += (s, ev) =>
+                    {
+                        if (window.WindowState == WindowState.Normal)
+                        {
+                            // 调用 Win32 API 来启动窗口调整大小
+                            IntPtr handle = new WindowInteropHelper(window).Handle;
+                            SendMessage(handle, 0x0112, (IntPtr)0xF008, IntPtr.Zero); // WM_SYSCOMMAND, SC_SIZE (bottom-right)
+                            ev.Handled = true; // 阻止事件冒泡，避免与窗口拖动冲突
+                        }
+                    };
+                }
+            }
+        }
+
+        // --- P/Invoke: 调用 Windows API 的 SendMessage 函数 ---
+        [DllImport("user32.dll", CharSet = CharSet.Auto)]
+        private static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
+    }
+}