How to find the next item in a group

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   Hello,

I'm trying to find the next item in the current group inside a task panel, but can't seem to find a way to do so.

This is the code fragment that I currently have, but obviously it's wrong:

    case XTP_PGN_AFTEREDIT:
        {
            XTP_PROPERTYGRID_NOTIFYEDIT * notify = (XTP_PROPERTYGRID_NOTIFYEDIT *)lParam;
            if(notify)
            {
                CXTPPropertyGridItem* pItem = notify->pItem;
                if (pItem)
                {
                    CXTPTaskPanelGroupItem * pGroupItem = FindItem(pItem->GetID());
                    if (pGroupItem)
                    {
                        CXTPTaskPanelItem * pNewItem = GetNextItem(pGroupItem, 1, TRUE, TRUE);
                        if (pNewItem) // this is wrong...
                        {
                        }
                    }
                }
            }
        }
        break;

Can someone tell me the right way to do this? Thanks!