Name of method to invoke.
A GVariant tuple with parameters for the signal or NULL if not passing parameters. [allow-none]
Flags from the GDBusCallFlags enumeration.
The timeout in milliseconds (with G_MAXINT meaning "infinite") or -1 to use the proxy default timeout.
A GCancellable or NULL. [allow-none]
A GAsyncReadyCallback to call when the request is satisfied or NULL if you don't care about the result of the method invocation. [allow-none]
The data to pass to callback.
Asynchronously invokes the method_name method on proxy. If method_name contains any dots, then name is split into interface and method name parts. This allows using proxy for invoking methods on other interfaces. If the GDBusConnection associated with proxy is closed then the operation will fail with G_IO_ERROR_CLOSED. If cancellable is canceled, the operation will fail with G_IO_ERROR_CANCELLED. If parameters contains a value not compatible with the D-Bus protocol, the operation fails with G_IO_ERROR_INVALID_ARGUMENT. If the parameters GVariant is floating, it is consumed. This allows Since 2.26