CMFCDropDownToolbarButton::OnClickUp
Called by the framework when the user releases the mouse button.
virtual BOOL OnClickUp();
Return Value
Nonzero if the button processes the click message; otherwise 0.
Remarks
This method extends the base class implementation, CMFCToolBarButton::OnClickUp, by updating the state of the drop-down toolbar.
This method stops the drop-down toolbar timer if it is active. It closes the drop-down toolbar if it is open.
For more information about the drop-down toolbar and drop-down toolbar timer, see CMFCDropDownToolbarButton::OnClick.
Requirements
Header: afxdropdowntoolbar.h