CMDIFrameWndEx::GetToolbarButtonToolTipText
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 GetToolbarButtonToolTipText(
CMFCToolBarButton*,
CString&
);
Parameters
[in] CMFCToolBarButton*
[in] CString&
Requirements
Header: afxmdiframewndex.h