internal void IntoDragAction(DragItem dragItem, bool _isInvokeByFloatWnd = false)
{
DockManager.UpdateWindowZOrder();
_dragItem = dragItem;
//被浮动窗口调用则不需要调用BeforeDrag()
if (_isInvokeByFloatWnd)
{
IsDragging = true;
if (_dragWnd == null)
{
_dragWnd = _dragItem.RelativeObj as BaseFloatWindow;
}
}
else
{
BeforeDrag();
}
//初始化最外层的_rootTarget
_rootSize = DockManager.LayoutRootPanel.RootGroupPanel.TransformActualSizeToAncestor();
if (!_isInvokeByFloatWnd && _dragWnd is DocumentGroupWindow)
{
_dragWnd.Recreate();
}
}
private void _DestroyDragItem()
{
_dragItem.Dispose();
_dragItem = null;
DragTarget = null;
}