Has a ListGrid with grouping an event when a user clicks on a collapse/expand image

[asg2007]

SmartClient Version: v8.3p_2013-02-08/LGPL Development Only

Hi,

is there a handler on an event when the user clicks on a collapse/expand image at the beginning of a "group"-row in a ListGrid with grouping set with setGroupByField("foo")?

Thank you.