Thanks, but that didn't work either 
Susanne
路路路
On Mon, 29 Mar 2004, Robin Dunn wrote:
Susanne Lefvert wrote:
>
> I agree, drag and drop seems to be a tricky thing. However, if you
> veto the event, isn't that the same as ignoring the event. Then,
> I think you should be able to do whatever ui operation you need in the
> EVT_TREE_BEGIN_DRAG handler. Otherwise, it is a bug, right?
>
> def BeginDrag(self, event):
> '''
> EVT_TREE_BEGIN_DRAG handler.
> '''
>
> self.dragItem = event.GetItem()
> event.Veto()
> message = wxMessageDialog(self, 'Error', 'Error')
> message.Show()
>The only thing that Veto does is set a flag in the event object that is
checked *after* the handler returns. It does *not* turn off the DnD
operation at that moment. Perhaps this would be better?def BeginDrag(self, event):
'''
EVT_TREE_BEGIN_DRAG handler.
'''
self.dragItem = event.GetItem()
event.Veto()
wxCallAfter(self.ShowErrorDlg)def ShowErrorDlg(self):
message = wxMessageDialog(self, 'Error', 'Error')
message.Show()--
Robin Dunn
Software Craftsman
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