Visual Studio 2010 - Visual C++
CWnd::IsChild
Indicates whether the window specified by pWnd is a child window or other direct descendant of CWnd.
BOOL IsChild( const CWnd* pWnd ) const;
Parameters
Return Value
Specifies the outcome of the function. The value is nonzero if the window identified by pWnd is a child window of CWnd; otherwise 0.
Remarks
A child window is the direct descendant of CWnd if the CWnd object is in the chain of parent windows that leads from the original pop-up window to the child window.
Requirements
Header: afxwin.h
See Also