static void Main(string[] args)
        {
            Console.WriteLine("\n开始窗口程序自动化测试\n");
            //启动被测试程序
            string path = @"程序路径";
            Process p = Process.Start(path);

            //自动化跟元素
            AutomationElement desktop = AutomationElement.RootElement;
            //查找主窗体方法1
            //Thread.Sleep(2000);
            //AutomationElement aeForm = AutomationElement.FromHandle(p.MainWindowHandle);
            AutomationElement aeForm;
            //方法2
            int numWaits = 0;
            do
            {
                Console.WriteLine("等待测试窗口……");

                //查找第一个自动化元素
                aeForm = desktop.FindFirst(TreeScope.Children, new PropertyCondition(

                AutomationElement.NameProperty, "Form1"));

                ++numWaits;

                Thread.Sleep(100);
            } while (null == aeForm && numWaits < 50);

            if (aeForm == null)
                throw new NullReferenceException("找不到测试窗口！");
            else
                Console.WriteLine("找到测试窗口~");
            //找到第一个Button
            AutomationElement aeButton = aeForm.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.AutomationIdProperty, "btnCalc"));


            
            //找到所有textbox控件
            AutomationElementCollection aeAllTextBoxs=aeForm.FindAll(TreeScope.Children,new PropertyCondition(AutomationElement.ControlTypeProperty,ControlType.Edit));

            AutomationElement aeText3 = aeAllTextBoxs[0];//集合的索引和控件位置相反
            AutomationElement aeText2 = aeAllTextBoxs[1];
            AutomationElement aeText1 = aeAllTextBoxs[2];

            ValuePattern vpText1 = (ValuePattern)aeText1.GetCurrentPattern(ValuePattern.Pattern);
            vpText1.SetValue("300");
            ValuePattern vpText2 = (ValuePattern)aeText2.GetCurrentPattern(ValuePattern.Pattern);//把控件转换成Value模式
            vpText2.SetValue("500");
            Thread.Sleep(500);

            //通过InvokePattern模拟点击按钮
            InvokePattern ipbtnCalc = (InvokePattern)aeButton.GetCurrentPattern(InvokePattern.Pattern);//把控件转换成Invoke模式
            ipbtnCalc.Invoke();
            Thread.Sleep(500);
          //  Console.ReadKey();
            
            //验证实际结果和预期结果是否相符
            TextPattern tpText3 = (TextPattern)aeText3.GetCurrentPattern(TextPattern.Pattern);//把控件转换成Text模式
            string actual= tpText3.DocumentRange.GetText(-1);
            // string actual = tpText3.DocumentRange.GetText(2);//getext中的值要>=返回结果的长度,才可以取全值.方便起见-1也可以取全值
            string expect = "800";
            if (actual == expect)
            {
                Console.WriteLine("【实际值】=" + actual);
            }
            else {
                Console.WriteLine("【实际值】="+actual+";【期望值】"+expect);
            }
            Thread.Sleep(5000);
            WindowPattern wpCloseForm = (WindowPattern)aeForm.GetCurrentPattern(WindowPattern.Pattern);
            wpCloseForm.Close();
            Console.WriteLine("\n测试结束\n");
            Console.ReadKey();
        }