AvaloniaExample/MVVMExample/Views/MainWindow.axaml.cs

using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;

namespace MVVMExample.Views
{
    public partial class MainWindow : Window
    {
        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();
        }
    }
}