troubleshooting Question

What is this doing? - RemoveOldProc

Avatar of mutrus
mutrus asked on
Visual Basic Classic
3 Comments1 Solution139 ViewsLast Modified:
Can anybody please tell me what this procedure does?

Public Sub RemoveOldProc(inHWND, Proc)
   Dim tmpProc As Long
   tmpProc = GetProp(inHWND, Proc)
   If tmpProc = 0 Then
      Exit Sub
   End If
   RemoveProp inHWND, Proc
   SetWindowLong inHWND, GWL_WNDPROC, tmpProc
End Sub
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