MMC provides snap-in developers with the following interfaces for working with toolbars and menu buttons:
Other Toolbar and Menu Button Constructs
The following constructs are also used for working with toolbars and menu buttons:
- MMCN_BTN_CLICK notification
 - MMCN_MENU_BTNCLICK notification
 - MMCN_SELECT notification
 - MMCN_DESELECT_ALL notification
 - MMCBUTTON structure
 - MENUBUTTONDATA structure
 - MMC_CONSOLE_VERB enumeration
 
Related topics
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Working with Menu Buttons: Implementation Details