Control Definition Feature Constants
With the Mac OS 8.5 Control Manager, your control definition function may report the following new feature flags to reflect the features that your control supports. For other control definition feature flags, see "Defining Your Own Control Definition Function" in
Mac OS 8 Control Manager Reference
.
enum {
kControlAutoToggles = 1 << 14,
kControlSupportsGetRegion = 1 << 17
};
Constant descriptions
-
kControlAutoToggles
-
If the bit specified by this mask is set, the control definition function supports automatically changing among various states (on, off, mixed) in response to user actions.
-
kControlSupportsGetRegion
-
If the bit specified by this mask is set, the control definition function supports the
kControlMsgGetRegion
message, described in
Control Definition Message Constants
.
© 1999 Apple Computer, Inc. — (Last Updated 20 Jan 99)