Asynchronously opens file for appending.
For more details, see g_file_append_to() which is
the synchronous version of this call.
When the operation is finished, callback will be called. You can then call
g_file_append_to_finish() to get the result of the operation.
Asynchronously opens file for appending. For more details, see g_file_append_to() which is the synchronous version of this call. When the operation is finished, callback will be called. You can then call g_file_append_to_finish() to get the result of the operation.