wxTreeCtrl with no selected item?

For some reason I can't get wxTreeCtrl to work properly with no selected item on MSW. I'm using the following code to deselect the focused item:

	wxTreeItemId id = tc->GetFocusedItem();	
	if(id.IsOk()) tc->Unselect();	

This works correctly. However, when using ALT+TAB to switch to another TLW window and then switching back to the TLW that contains the wxTreeCtrl the item I've just deselected automatically gets the focus again and becomes selected and EVT_TREE_SEL_CHANGED is triggered.

Is this intended behaviour?

-- 
Best regards,
 Andreas Falkenhahn                          mailto:[email protected]

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