CMFCToolBarButton::SaveBarState
Saves the state of the toolbar button.
virtual void SaveBarState();
Remarks
The framework calls this method when it creates a CMFCToolBarButton object as the result of a drag-and-drop operation.
The default implementation of this method does nothing. Override this method to save the state of the toolbar button to an external data source.
Requirements
Header: afxtoolbarbutton.h