Request for the state of the named action within @action_group to be
changed to @value.
The action must be stateful and @value must be of the correct type.
See g_action_group_get_action_state_type().
This call merely requests a change. The action may refuse to change
its state or may change its state to something other than @value.
See g_action_group_get_action_state_hint().
If the @value GVariant is floating, it is consumed.
Request for the state of the named action within @action_group to be changed to @value.
The action must be stateful and @value must be of the correct type. See g_action_group_get_action_state_type().
This call merely requests a change. The action may refuse to change its state or may change its state to something other than @value. See g_action_group_get_action_state_hint().
If the @value GVariant is floating, it is consumed.