Gets a timezone with given tzid, which had been previously put into the this with
put_timezone.
The returned string is an iCal string for that ICalTimezone and should be freed with g_free when no longer needed.
| this |
an CalCache |
| tzid |
a timezone ID to get |
| out_zone_string |
return location for the Timezone as iCal string |
| cancellable |
optional Cancellable object, or null |
|
Whether succeeded. |