backward_async
Description:
[ Version ( since = "3.10" ) ]
public async bool backward_async (TextIter iter, Cancellable? cancellable, out TextIter match_start, out TextIter match_end) throws Error
public async bool backward_async (TextIter iter, Cancellable? cancellable, out TextIter match_start, out TextIter match_end) throws Error
The asynchronous version of backward2.
See the documentation of backward2 for more details.
See the AsyncResult documentation to know how to use this function.
If the operation is cancelled, the callback will only be called if cancellable was not null.
backward_async takes ownership of cancellable, so you can unref it after calling this function.
Parameters:
| this | |
| iter |
start of search. |
| cancellable |
a Cancellable, or |
| callback |
a TaskReadyCallback to call when the operation is finished. |
| user_data |
the data to pass to the |