activate_action_variant

Looks up the action in the action groups associated with this and its ancestors, and activates it.

If the action is in an action group added with insert_action_group, 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 get_parameter_type.

Parameters:

this	a Widget
name	the name of the action to activate
args	parameters to use, or null

Returns:

true if the action was activated, false if the action does not exist.