RA2MapEditTool.Control/TitleBarUC.xaml.cs

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using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

// 参考资料
// [1] https://blog.csdn.net/u013113678/article/details/121071628

namespace RA2MapEditTool.Control
{
    /// <summary>
    /// 标题栏控件
    /// </summary>
    public partial class TitleBarUC : UserControl
    {
        private bool IsDragMoved { get; set; } = false;
        private Point PressedPosition { get; set; }
        private Window ParentWindow { get; set; }

        public TitleBarUC()
        {
            this.InitializeComponent();
        }

        private void TitlePanelUC_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            this.ParentWindow = Window.GetWindow(this);
            this.PressedPosition = e.GetPosition(this);
            //e.Handled = true;
        }

        private void TitlePanelUC_PreviewMouseMove(object sender, MouseEventArgs e)
        {
            if (Mouse.LeftButton == MouseButtonState.Pressed &&
                this.PressedPosition != e.GetPosition(this))
            {
                this.IsDragMoved = true;
                this.ParentWindow.DragMove();
            }
        }

        private void TitlePanelUC_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            if (this.IsDragMoved)
            {
                this.IsDragMoved = false;
                e.Handled = true;
            }
        }

        private void buttonClose_Click(object sender, RoutedEventArgs e) => this.ParentWindow.Close();
    }
}