xhwkclient/XHWK.WKTool/Controls/ZoomThumb.cs

using ComeCapture.Models;

using System.Windows;
using System.Windows.Controls.Primitives;

namespace ComeCapture.Controls
{
    public class ZoomThumb : Thumb
    {
        #region Direction DependencyProperty

        public Direction Direction
        {
            get => (Direction)GetValue(DirectionProperty);
            set => SetValue(DirectionProperty, value);
        }

        public static readonly DependencyProperty DirectionProperty =
                DependencyProperty.Register("Direction", typeof(Direction), typeof(ZoomThumb),
                new PropertyMetadata(Direction.Null, new PropertyChangedCallback(ZoomThumb.OnDirectionPropertyChanged)));

        private static void OnDirectionPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
        {
            if (obj is ZoomThumb)
            {
                (obj as ZoomThumb).OnDirectionValueChanged();
            }
        }

        protected void OnDirectionValueChanged()
        {
            if (Direction == Direction.Move)
            {
                MouseDoubleClick += (sender, e) =>
                {
                    JieTuWindow.Current.OnOK();
                };
            }
        }

        #endregion Direction DependencyProperty
    }
}