The Mac OS 8.5 Menu Manager provides the following functions for your application to associate data with menu items:
GetMenuItemProperty
obtains a piece of data that has been previously associated with a menu item.GetMenuItemPropertySize
obtains the size of a piece of data that has been previously associated with a menu item.RemoveMenuItemProperty
removes a piece of data that has been previously associated with a menu item.SetMenuItemProperty
associates data with a menu item.