UIAutomation获得表格内容

Question

//UIAutomation获得 表格内容 AutomationElement desktop = AutomationElement.RootElement;             Condition InputCondition = new PropertyCondition(AutomationElement.NameProperty, "Form1");            AutomationElement aeMainWindow = desktop.FindFirst(TreeScope.Children, InputCondition);            InputCondition = new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.DataGrid);             AutomationElementCollection Aus = aeMainWindow.FindAll(TreeScope.Subtree, InputCondition);
            for (int i = 0; i < Aus.Count; i++)
            {
                AutomationElement txt = Aus[i];
               
                GridPattern ipClickButton1 = (GridPattern)txt.GetCurrentPattern(GridPattern.Pattern);                 //这里应该怎么写了呢？我想获得表格文本内容             }