file's contents.gFileLoadContentsAsync(object, cancellable = NULL, callback, user.data = NULL)objectGFile.cancellableGCancellable object, NULL to ignore.callbackGAsyncReadyCallback to call when the request is satisfieduser.datagFileLoadContents which is
the synchronous version of this call.
When the load operation has completed, callback will be called
with user data. To finish the operation, call
gFileLoadContentsFinish with the GAsyncResult returned by
the callback.
If cancellable is not NULL, then the operation can be cancelled by
triggering the cancellable object from another thread. If the operation
was cancelled, the error G_IO_ERROR_CANCELLED will be returned.