Sets attribute of type gio.types.FileAttributeType.ByteString to value. If attribute is of a different type, this operation will fail, returning false.
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 gio.types.IOErrorEnum.Cancelled will be returned.
a string containing the attribute's name
a string containing the attribute's new value
a #GFileQueryInfoFlags
optional #GCancellable object, null to ignore
true if the attribute was successfully set to value in the file, false otherwise.
Sets attribute of type gio.types.FileAttributeType.ByteString to value. If attribute is of a different type, this operation will fail, returning false.
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 gio.types.IOErrorEnum.Cancelled will be returned.