EmptyRgn

To determine whether a region is empty, use the EmptyRgn function.

FUNCTION EmptyRgn (rgn as RgnHandle): Boolean

rgn A handle to the region to test for emptiness.

returns a boolean result.

Description:
The EmptyRgn function returns TRUE if the region whose handle you pass in the rgn parameter is an empty region or FALSE if it is not.

Supported platforms:
* MacOS PPC
* MacOS Carbon
* MacOS Mach-O
Unsupported platforms:
* Windows x86