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Inside Macintosh: Macintosh Toolbox Essentials /

Chapter 2 - Event Manager / Event Manager Reference

Event Manager Routines / Reading the Mouse

StillDown

After receiving a mouse-down event, you can use the StillDown function to determine if the mouse button is still down.

FUNCTION StillDown: Boolean;

DESCRIPTION

The StillDown function looks in the Operating System event queue for a mouse
event. If it finds one, the StillDown function returns FALSE. If it does not find any mouse events pending in the Operating System event queue, the StillDown function returns TRUE.

SEE ALSO

See "The Event Queue" on page 2-83 for information about the Operating System
event queue.