File.openReadwriteAsync
void openReadwriteAsync(int ioPriority, gio.cancellable.Cancellable cancellable = null, gio.types.AsyncReadyCallback callback = null)Asynchronously opens file for reading and writing.
For more details, see [gio.file.File.openReadwrite] which is the synchronous version of this call.
When the operation is finished, callback will be called. You can then call [gio.file.File.openReadwriteFinish] to get the result of the operation.
Parameters
ioPriority | the [I/O priority][io-priority] of the request |
cancellable | optional #GCancellable object, null to ignore |
callback | a #GAsyncReadyCallback to call when the request is satisfied |