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Determines whether the given window is an extended frame object.
BOOL AFXAPI AfxIsExtendedFrameClass(
- [in] pWnd
A pointer to an object that is derived from CWnd.
TRUE if the provided window is an extended frame object; otherwise FALSE.
This method returns TRUE if pWnd derives from one of the following classes:
This method is useful when you have to validate that a function or method parameter is an extended frame window.