CMFCToolBarButton::OnBeforeDrag
Specifies whether the button can be dragged.
virtual BOOL OnBeforeDrag() const;
Return Value
TRUE if the button can be dragged; otherwise FALSE.
Remarks
The framework calls this method before the user starts to drag the button.
The default implementation of this method returns TRUE. Override this method to return FALSE to disable dragging of the button.
Requirements
Header: afxtoolbarbutton.h