private void Trg_Drop(object sender, DragEventArgs e)
{
e.Handled = true;
if (fromDropTo == DropTo.None)
{
EndDrag();
return;
}
if (IBProjectElement.MultiSelectingList.Count == 0)
{
string[] formats = e.Data.GetFormats();
if (formats.Length == 0) return;
IBProjectElement from = e.Data.GetData(formats[0]) as IBProjectElement;
if (from == null) return;
if (trgElement == null || from == trgElement) return;
RUMoveProjectElement hist = DoMove(from);
RedoUndoManager.Current.Record(hist);
}
else
{
RUMoveMultiProjectElements hists = new RUMoveMultiProjectElements();
if(fromDropTo == DropTo.Bottom)
{
foreach (IBProjectElement from in IBProjectElement.MultiSelectingList.Reverse())
{
hists.RecordToThis(DoMove(from));
}
}
else
{
foreach (IBProjectElement from in IBProjectElement.MultiSelectingList)
{
hists.RecordToThis(DoMove(from));
}
}
RedoUndoManager.Current.Record(hists);
}
EndDrag();
}
public void RecordToThis(RUMoveProjectElement hist)
{
currentHistory.Add(hist);
}