Inside Macintosh: Mac OS 8 Toolbox Reference /

Chapter 2 - Control Manager Reference / Control Manager Functions

Manipulating Controls /

IsControlActive

NEW WITH THE APPEARANCE MANAGER

Indicates whether a control is active.

pascal Boolean IsControlActive (ControlHandle inControl);

inControl

On input, a handle to the control whose activity you wish to determine.

function result

Returns a Boolean value. If true, the control is active. If false, the control is inactive.

DISCUSSION

If you wish to determine whether a control is active, you should call IsControlActive instead of testing the contrlHilite field of the control structure.

SEE ALSO

"Appearance Manager Gestalt Selector Constants".