As you probably know, RadControls for WinForms are built on top of our own Telerik Presentation Framework. This especially designed framework gives you the ability to extend the existing RadControls to a great level. Today, I am going to share with you how you can plug Gmail-like labels in RadGridView for WinForms (http://www.telerik.com/products/winforms/gridview.aspx). First of all we need the construction blocks for the labels. These blocks are represented by a very important element of our framework – the LightVisualElement. Several RadControls use this element extensively – RadTreeView, RadPanelBar, RadCalendar and RadGridView. The advantage of this element is that it incorporates all essential...