In Windows XP, there is no way to scroll the wxListCtrl with the mouse wheel (it seems it doesn't get the focus). In wxGTK, it works fine.
Windows only sends the wheel events to the window that has the focus. The other platforms send it to the widget under the mouse cursor. That's just the way it is.
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Robin Dunn
Software Craftsman http://wxPython.org Java give you jitters? Relax with wxPython!