call_call_waiting_query

Description:

[ CCode ( async_result_pos = 2.1 ) ]
public async bool call_call_waiting_query (Cancellable? cancellable, out bool out_status) throws Error

Asynchronously invokes the CallWaitingQuery D-Bus method on this.

When the operation is finished, callback will be invoked in the thread-default main loop of the thread you are calling this method from (see push_thread_default). You can then call call_call_waiting_query.end to get the result of the operation.

See call_call_waiting_query_sync for the synchronous, blocking version of this method.

Parameters:

this	A GdbusModemVoiceProxy.
cancellable	A Cancellable or `null`.
callback	A TaskReadyCallback to call when the request is satisfied or `null`.
user_data	User data to pass to `callback`.