public abstract void change_action_state (string action_name, Variant value)
Request for the state of the named action within this to be changed to
The action must be stateful and
value must be of the correct type. See
This call merely requests a change. The action may refuse to change its state or may change its state to something other than
. See get_action_state_hint.
value GVariant is floating, it is consumed.
the name of the action to request the change on
the new state