CWnd::GetSafeHwnd
Returns m_hWnd, or NULL if the this pointer is NULL.
HWND GetSafeHwnd( ) const;
Return Value
Returns the window handle for a window. Returns NULL if the CWnd is not attached to a window or if it is used with a NULL CWnd pointer.
Example
See the example for CWnd::SubclassWindow.
Requirements
Header: afxwin.h