setDisplayNameFinish
Finishes setting a display name started with g_file_set_display_name_async().
Return
a #GFile or null on error. Free the returned object with g_object_unref().
Parameters
res
a #GAsyncResult
Finishes setting a display name started with g_file_set_display_name_async().
a #GFile or null on error. Free the returned object with g_object_unref().
a #GAsyncResult