query_action
Description:
[ CCode ( cname = "gtk_widget_class_query_action" ) ]
public class bool query_action (uint index_, out Type owner, out string action_name, out VariantType? parameter_type, out string? property_name)
public class bool query_action (uint index_, out Type owner, out string action_name, out VariantType? parameter_type, out string? property_name)
Queries the actions that have been installed for a widget class using [method@Gtk.
WidgetClass.install_action] during class initialization.
Note that this function will also return actions defined by parent classes. You can identify those by looking at owner.
Parameters:
| this |
a `GtkWidget` class |
| index_ |
position of the action to query |
| owner |
return location for the type where the action was defined |
| action_name |
return location for the action name |
| parameter_type |
return location for the parameter type |
| property_name |
return location for the property name |
Returns:
|
true if the action was found, false if |