Asynchronously invokes the SetPowerLevel 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_set_power_level.end
to get the result of the operation.
See call_set_power_level_sync for the synchronous, blocking version of this method.
this | |
arg_level |
Argument to pass with the method invocation. |
cancellable |
A Cancellable or |
callback |
A TaskReadyCallback to call when the request is satisfied or |
user_data |
User data to pass to |