/// <summary> /// Adds new group element. /// </summary> /// <param name="title">The title.</param> /// <param name="useTransparentHeader">True if use drop down icon and transparent group header, otherwise use normal style.</param> /// <returns>The created element.</returns> public GroupElement Group(string title, bool useTransparentHeader = false) { GroupElement element = new GroupElement(); if (!isRootGroup) { element.Panel.Close(false); } element.isRootGroup = false; element.Init(title); if (useTransparentHeader) { element.Panel.EnableDropDownIcon = true; element.Panel.HeaderColor = element.Panel.HeaderColorMouseOver = Color.Transparent; } OnAddElement(element); return(element); }