action does not exist.
Widget.activateAction
bool activateAction(string name, glib.variant.Variant args = null)Looks up the action in the action groups associated with widget and its ancestors, and activates it.
If the action is in an action group added with [gtk.widget.Widget.insertActionGroup], the name is expected to be prefixed with the prefix that was used when the group was inserted.
The arguments must match the actions expected parameter type, as returned by [gio.action.Action.getParameterType].
Parameters
name | the name of the action to activate |
args | parameters to use |
Returns
true if the action was activated, false if the