C# wpf利用附加属性实现任意控件拖动

 public static bool GetIsDragMoveable(DependencyObject obj)
 {
     return (bool)obj.GetValue(IsDragMoveableProperty);
 }
 public static void SetIsDragMoveable(DependencyObject obj, bool value)
 {
     obj.SetValue(IsDragMoveableProperty, value);
 }
 /// <summary>
 /// 控件是否能拖动
 /// </summary>
 // Using a DependencyProperty as the backing store for IsDragMoveable.  This enables animation, styling, binding, etc...
 public static readonly DependencyProperty IsDragMoveableProperty =
     DependencyProperty.RegisterAttached("IsDragMoveable", typeof(bool), typeof(Move), new PropertyMetadata(false));

  public static Control GetDragMoveTarget(DependencyObject obj)
  {
      return (Control)obj.GetValue(DragMoveTargetProperty);
  }
  public static void SetDragMoveTarget(DependencyObject obj, Control value)
  {
      obj.SetValue(DragMoveTargetProperty, value);
  }
  /// <summary>
  /// 拖动目标，以本控件为拖动点，需要拖动的目标。使用场景比如标题栏拖动的是整个窗口
  /// </summary>
  // Using a DependencyProperty as the backing store for DragMoveTarget.  This enables animation, styling, binding, etc...
  public static readonly DependencyProperty DragMoveTargetProperty =
      DependencyProperty.RegisterAttached("DragMoveTarget", typeof(Control), typeof(Move), new PropertyMetadata(null));

private void MouseDown(object sender, MouseButtonEventArgs e)
{
    switch (moveType)
    case MoveType.Grid://Grid内控件鼠标按下逻辑，参考《C# wpf 实现Grid内控件拖动》
        break;
    case MoveType.Canvas://Canvas内控件鼠标按下逻辑，参考《C# wpf 实现Canvas内控件拖动)
        break;
    case MoveType.Window://Window鼠标按下逻辑，参考《c# wpf 实现窗口任意区域点击拖动)
        break;
    case MoveType.Others://其他控件鼠标按下逻辑，参考《C# wpf 实现任意控件拖动》
        break;
    }
}
private void MouseMove(object sender, MouseEventArgs e)
{
    // 类似上面switch，略
}
private void MouseUp(object sender, MouseEventArgs e)
    {
    //类似上面switch，略
}

public void PropertyChangedCallback(Dependency0bject d, DependencyPropertyChangedEventArgs e)
{
    // 1.判断控件类型
    // 2.注册3个鼠标事件
}

<Grid>
    <Button local:CommonTools.IsDragMoveable="True" Width="120" Height="50"  Content="移动"/>
</Grid>

<Canvas>
    <Button local:CommonTools.IsDragMoveable="True" Width="120" Height="50"  Content="移动"/>
</Canvas>

<StackPanel>
    <Button local:CommonTools.IsDragMoveable="True" Width="120" Height="50"  Content="移动"/>
</StackPanel>

<Window  Name="window" >
    <Grid>
        <Button local:CommonTools.DragMoveTarget="{Binding ElementName=window}"  Width="120" Height="50" Content="拖动窗口" ></Button> 
    </Grid>
</Window>

<Window local:CommonTools.IsDragMoveable="True">