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<head><title>OnClose</title></head>
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<H2>OnClose</H2>
<P>
The old virtual function OnClose is now obsolete.
Add an OnCloseWindow event handler using an EVT_CLOSE event table entry. For details
about window destruction, see the Windows Deletion Overview in the manual. This is a subtle
topic so please read it very carefully. Basically, OnCloseWindow is now responsible for
destroying a window with Destroy(), but the default implementation (for example for wxDialog) may not
destroy the window, so to be sure, always provide this event handler so it's obvious what's going on.<P>
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