interface.elem.extra
Syntax
Get/set the value stored in the ith extra variable array of interface element ie.
a - value stored in extra variable slot i for interface element ie
a - value to store in extra variable slot for interface ie
ie - a pointer to the interface element
i - extra variable index to use. If not provided, index 1 is assumed.
interface.elem.area
interface.elem.group
9.1.13