OnParentCreate

virtual void CATWidget::OnParentCreate (  )  [pure virtual] OnParentCreate() is called when the parent window is created. Most controls won't need this, but any that create their own windows should do so at this point. Implemented in CATComboBox, CATControl, CATControlWnd, CATEditBox, CATLayer, CATListBox, CATTab, and CATTreeCtrl. Referenced by CATWindow::OnCreate(), and CATLayer::OnParentCreate().

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