Stops a signal's current emission.
This will prevent the default method from running, if the signal was g_signal_run_last and you connected normally (i.e. without the "after" flag).
Prints a warning if used on a signal which isn't being emitted.
| instance |
the object whose signal handlers you wish to stop. |
| signal_id |
the signal identifier, as returned by lookup. |
| detail |
the detail which the signal was emitted with. |