UIAutomation调用计算器模拟自动执行

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Automation;
using System.Windows;
namespace ConsoleApplication2
{
    class Cal
    {
        AutomationElement calcWindow = null;
        string resultTextAutoId = "150";
        string btn5AutoId = "135";
        string btn3 = "133";
        string btn2 = "132";
        string btnPlus = "93";
        string btnSub = "94";
        string btnEqual = "121";
        static void Main(string[] args)
        {
            Cal autoClient = new Cal();
            //创建新窗口打开事件的回调，只有等计算器窗口打开后，测试开始执行
            AutomationEventHandler eventHandler = new AutomationEventHandler(autoClient.OnWindowOpenOrClose);
            //把事件挂接在桌面根元素，开始监听
            Automation.AddAutomationEventHandler(WindowPattern.WindowOpenedEvent, AutomationElement.RootElement, TreeScope.Children, eventHandler);
            //启动计算器程序，当计算器窗口打开后，新窗口事件得到触发
            System.Diagnostics.Process.Start("calc.exe");
            Console.ReadLine();
        }
        void OnWindowOpenOrClose(object src, AutomationEventArgs e)
        {
            if (e.EventId != WindowPattern.WindowOpenedEvent)
            {
                return;
            }
            AutomationElement sourceElement;
            try
            {
                sourceElement = src as AutomationElement;
                //监察印发新窗口打开事件的窗口是否是计算器
                //在正式代码中，为了支持本地化测试，字符串应该从资源文件中读取
                if (sourceElement.Current.Name == "计算器")
                {
                    calcWindow = sourceElement;
                }
            }
            catch (ElementNotAvailableException)
            {

                return;
            }
            //开始执行测试
            ExecuteTest();
        }

        private void ExecuteTest()
        {
            //执行3+5-2
            //调用函数执行按钮点击
            ExecuteButtonInvoke(btn3);
            ExecuteButtonInvoke(btnPlus);
            ExecuteButtonInvoke(btn5AutoId);
            ExecuteButtonInvoke(btnSub);
            ExecuteButtonInvoke(btn2);
            ExecuteButtonInvoke(btnEqual);
            //调用getcurrentresult函数，获取计算器输出窗口的值
            if (GetCurrentResult() == "6")
            {
                Console.WriteLine("execute pass!");
                return;
            }
            Console.WriteLine("execute faile");
        }
        //调用函数执行按钮点击
        private void ExecuteButtonInvoke(string automationId)
        { 
            //创建捕获按钮条件。该条件中有两个判断
            //分别判断automationid是否为指定字符串
            //以及控件类型是否为按钮
            System.Windows.Automation.Condition conditions = new AndCondition(new PropertyCondition(AutomationElement.AutomationIdProperty,automationId),
                new PropertyCondition(AutomationElement.ControlTypeProperty,ControlType.Button));
            AutomationElement btn = calcWindow.FindFirst(TreeScope.Descendants,conditions); 
            //获取按钮的invokepattern接口
            InvokePattern invokeptn = (InvokePattern)btn.GetCurrentPattern(InvokePattern.Pattern);
            //调用invoke接口，完成按钮点击
            invokeptn.Invoke();
        }
        private string GetCurrentResult()
        {
            System.Windows.Automation.Condition conditions = 
                new AndCondition(new PropertyCondition(AutomationElement.AutomationIdProperty,resultTextAutoId),
                new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Text));
            AutomationElement btn = calcWindow.FindFirst(TreeScope.Descendants, conditions);
            //得去text控件的名字，改名字就是输出字符串
            return btn.Current.Name;
        }

    }
}