Remove a single callback entry from a callback list
void PtRemoveCallback( PtWidget_t *widget, unsigned long callback_type, PtCallbackF_t *callback, void *data );
ph
This function removes the first callback entry that matches callback and data. It removes the entry from the callback_type callback list that belongs to widget.
Some types of callback resources have special routines that you should use instead of this one: |
The callback argument points to a function that takes this form:
int (*callback)( PtWidget_t *, void *, PtCallbackInfo_t *)
See PtAddCallback().
Photon
Safety: | |
---|---|
Interrupt handler | No |
Signal handler | No |
Thread | No |
PtAddCallback(), PtAddCallbacks(), PtRemoveCallbacks(), PtRemoveEventHandler(), PtRemoveEventHandlers(), PtRemoveFilterCallback(), PtRemoveFilterCallbacks(), PtRemoveHotkeyHandler()
PtCallbackInfo_t in the Photon Widget Reference
“Callbacks” in the Managing Widgets in Application Code chapter of the Photon Programmer's Guide