Activate the named action within @action_group.
If the action is expecting a parameter, then the correct type of parameter must be given as @parameter. If the action is expecting no parameters then @parameter must be %NULL. See g_action_group_get_action_parameter_type().
the name of the action to activate
parameters to the activation
2.28
See Implementation
Activate the named action within @action_group.
If the action is expecting a parameter, then the correct type of parameter must be given as @parameter. If the action is expecting no parameters then @parameter must be %NULL. See g_action_group_get_action_parameter_type().