private bool InsertPopup(VideoPanelItem vpi)
{
Size toSize = default(Size);
if (!TryCalcToSize(vpi, ref toSize))
{
return(false);
}
Point fromPos = vpi.TranslatePoint(new Point(), this);
Point toPos = CalcToLocation(toSize);
RemoveVideoFromInitParent(vpi);
RecordVideoPreLocation(vpi, fromPos);
gridMain.Children.Add(vpi);
//动画
Storyboard sb = CreateStoryboard(vpi.ActualWidth, toSize.Width, vpi.ActualHeight, toSize.Height, fromPos, toPos);
sb.Begin(gridMain);
return(true);
}
