Smrf.NodeXL.Visualization.Wpf.NodeXLControl.CollapseGroup C# (CSharp) Method

    CollapseGroup
    (
        String groupName,
        Boolean redrawGroupImmediately
    )
    {
        Debug.Assert( !String.IsNullOrEmpty(groupName) );
        AssertValid();

        CheckIfLayingOutGraph("CollapseGroup");

        IGraph oGraph = this.Graph;

        if ( !GroupUtil.GraphHasGroups(oGraph) )
        {
            return;
        }

        GroupInfo oGroupToCollapse;

        try
        {
            oGroupToCollapse = GroupUtil.GetGroups(oGraph).Single(
                oGroupInfo => oGroupInfo.Name == groupName);
        }
        catch (InvalidOperationException)
        {
            // There is no such group, or there are two or more such groups.

            return;
        }

        CollapseGroupInternal(oGroupToCollapse, redrawGroupImmediately);
    }