Umbraco-CMS/components/umbraco.controls/Splitter.cs

using System.ComponentModel;
using System.Web.UI;
using umbraco.IO;

namespace umbraco.uicontrols {
    internal class Splitter : System.Web.UI.WebControls.Image {

        protected override void OnLoad(System.EventArgs EventArguments) {
            this.Height = System.Web.UI.WebControls.Unit.Pixel(21);
            this.Style.Add("border", "0px");
            this.Attributes.Add("class", "editorIconSplit");
            this.ImageUrl = SystemDirectories.Umbraco_client + "/menuicon/images/split.gif";
        }
    }
}