private void AnimationControl_MouseMove(object sender, MouseEventArgs e)
{
if (this.MouseDragEnabled && this.mouseDragContext.IsDragging && this.mouseDragContext.DraggingItem != null)
{
this.mouseDragContext.DraggingItem.Position = new Point(
e.X - mouseDragContext.MouseDownPoint.X + mouseDragContext.StartPosition.X,
e.Y - mouseDragContext.MouseDownPoint.Y + mouseDragContext.StartPosition.Y);
//处理拖拽保存
if (this.MouseDragSaveEnabled && (Control.ModifierKeys & Keys.Control) != 0)
{
var dragSize = SystemInformation.DragSize;
var dragBox = new Rectangle(mouseDragContext.MouseDownPoint, new Point(dragSize.Width, dragSize.Height));
if (!dragBox.Contains(new Point(e.X, e.Y)))
{
var e2 = new AnimationItemEventArgs(this.mouseDragContext.DraggingItem);
this.OnItemDragSave(e2);
if (e2.Handled)
{
this.mouseDragContext.IsDragging = false;
}
}
}
}
}
protected virtual void OnItemDragSave(AnimationItemEventArgs e)
{
}
