Carbon


DMIsMirroringOn

Header: Displays.h Carbon status: Supported

Determines if video mirroring is active.

OSErr DMIsMirroringOn (
    Boolean *isMirroringOn
);
Parameter descriptions
isMirroringOn

On return, a pointer to a Boolean value; true indicates that mirroring is on; false indicates it is not.

function result

A result code.

SPECIAL CONSIDERATIONS

Because this function may move or purge memory blocks or access handles, you cannot call it at interrupt time.

AVAILABILITY

Supported in Carbon. Available in Carbon 1.0.2 and later when running Mac OS 8.1 or later.


© 2000 Apple Computer, Inc. (Last Updated 6/30/2000)