Inside Macintosh: More Macintosh Toolbox /

Chapter 3 - Help Manager / Help Manager Reference

Help Manager Routines / Determining Balloon Help Status

HMIsBalloon

To determine whether the Help Manager is currently displaying a help balloon, use the HMIsBalloon function.

FUNCTION HMIsBalloon: Boolean;

DESCRIPTION

The HMIsBalloon function returns TRUE if a help balloon is currently displayed on the screen and FALSE if a help balloon is not currently displayed. This function is useful for determining whether a balloon is showing before you redraw the screen. For example, you might want to determine whether a balloon is displayed so that you can remove it before opening or closing a window.

ASSEMBLY-LANGUAGE INFORMATION

The trap macro and routine selector for the HMIsBalloon function are

Trap macro	Selector
_Pack14	$0007