Original User: johnnhansenSolution, care of Sharvari with Esri Support:[INDENT]//using System;//using System.Collections.Generic;//using System.Text;//using System.IO;//using ESRI.ArcGIS.Framework;//using ESRI.ArcGIS.esriSystem;IDockableWindowManager pDocWinMgr;IDockableWindow pTOC;pDocWinMgr =(IDockableWindowManager) ArcMap.Application;UID uid = new UIDClass();uid.Value = "{2B740D8F-442C-4975-BCE7-59D9949DAD9E}";pTOC = pDocWinMgr.GetDockableWindow(uid);pTOC.Show(false);ArcMap.Application.CurrentTool = null;[/INDENT]