Creating and deleting a StreamHelper

EnvDTE.Solution solution = dte.Solution;
EnvDTE.Project xaeProject = null;

// Get xaeProject
…

ITcSysManager sysManager = (ITcSysManager)xaeProject.Object;

// Navigate to the Analytics Configuration Node
ITcSmTreeItem analyticsConfig = sysManager.LookupTreeItem("TIAN");

analyticsConfig.CreateChild("MyStreamHelperName", 0, null, null);

analyticsConfig.DeleteChild("MyStreamHelperName_Obj1 (StreamHelper)");