ATTR_CALLBACK_FUNCTION_POINTER (Menu)
| Type: | Menu attribute | 
| Description: | A pointer to the callback function for the menu or menu item. The callback function, type MenuCallbackPtr, takes the following form: void CVICALLBACK EventFunctionName (int menuBar, int menuItem, void *callbackData, int panel); | 
| Menu Objects: | Menus, submenus, menu Items. | 
| Data Type: | pointer | 
| Default Value: | NULL | 
| LabWindows/CVI Compatibility: | LabWindows/CVI 4.0 and later | 
