This topic is included for completeness. For more detail see the source code located in the VC\atlmfc\src\mfc folder of your Visual Studio installation.
virtual BOOL OnChildNotify(
UINT message,
WPARAM wParam,
LPARAM lParam,
LRESULT* pLResult
);
Parameters
[in] message
[in] wParam
[in] lParam
[in] pLResult
Requirements
Header: afxshelltreectrl.h