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Docs » Autodocs » intuition.library » ItemAddress

NAME

	ItemAddress -- Returns the address of the specified MenuItem.

SYNOPSIS

	Item = ItemAddress( MenuStrip, MenuNumber )
	D0		    A0         D0
	struct MenuItem *ItemAddress( struct Menu *, UWORD );

FUNCTION

	This routine feels through the specified menu strip and returns the 
	address of the item specified by the menu number.  Typically,
	you will use this routine to get the address of a menu item from
	a menu number sent to you by Intuition after user has chosen from
	a window's menus.  
       This routine requires that the arguments are well-defined.
	MenuNumber may be equal to MENUNULL, in which case this routine returns
	NULL.  If MenuNumber doesn't equal MENUNULL, it's presumed to be a 
	valid item number selector for your menu strip, which includes:
           - a valid menu number
           - a valid item number
           - if the item specified by the above two components has a
             sub-item, the menu number may have a sub-item component, too.
	Note that there must be BOTH a menu number and an item number.  
	Because a sub-item specifier is optional, the address returned by
	this routine may point to either an item or a sub-item.

INPUTS

	MenuStrip = a pointer to the first menu in your menu strip
	MenuNumber = the value which contains the packed data that selects
           the menu and item (and sub-item).  See the Intuition Reference
	    Manual for information on menu numbers.

RESULT

	If MenuNumber == MENUNULL, this routine returns NULL,
	else this routine returns the address of the menu item specified
	by MenuNumber.

BUGS

SEE ALSO

The "Menus" chapter of the Intuition Reference Manual, or the Amiga ROM Kernel Manual

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