public void ElementProperty() { MenuItem prop = FormChecker.FindMenuItem(screenMenu, "Element Properties..."); ClickElementById("TheContent"); Invoke(delegate() { prop.PerformClick(); }); ElementProperties propForm = Root.mainForm.TheScreen.PropertyForm; AssertNotNull( propForm ); FormChecker u = new FormChecker(propForm); u.Invoke(delegate() { TextBox tbox = u.FindControl("tboxElementHtml") as TextBox; AssertNotNull(tbox); AssertTrue(tbox.Text.IndexOf("The Content") > 0); propForm.Close(); }); }