Important: The information in this document is obsolete and should not be used for new development.
VRemoveYou can use the
VRemovefunction to remove a task record from the system-based vertical retrace queue.
FUNCTION VRemove (vblTaskPtr: QElemPtr): OSErr;
- A pointer to the task record to remove from the queue.
VRemovefunction removes the task record specified by the
vblTaskPtrparameter from the system-based vertical retrace queue.
To disable a system-based VBL task temporarily, you can set the
vblCountfield of the task record to 0.
ASSEMBLY-LANGUAGE INFORMATIONThe registers on entry and exit for
Registers on entry A0 Pointer to the task record
Registers on exit D0 Result code
noErr 0 No error qErr -1 Task record isn't in the queue vTypErr -2 Invalid
qTypevalue (must be