silverlight - Datagrid grouping - how to get level of groupheader -

silverlight - Datagrid grouping - how to get level of groupheader -

i need know, on level of grouping im standing ... knowing if bottom level or not not enough

so have code

private void customdatagrid_loadingrowgroup(object sender, datagridrowgroupheadereventargs e) { var rowgroupheader = (e.rowgroupheader.datacontext collectionviewgroup); if (rowgroupheader != null && rowgroupheader.items.count > 0 ) { // here need know level } }

is there way it? thx much

silverlight datagrid grouping