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();  
    }

MS提供的控件Pattern
 
DockPattern                              
ExpandCollapsePattern

GridPattern                                 
GridItemPattern

InvokePattern                             
MultipleViewPattern

RangeValuePattern

ScrollPattern
ScrollItemPattern

SelectionPattern

SelectionItemPattern

TablePattern
TableItemPattern

TextPattern
TogglePattern

TransformPattern
ValuePattern

WindowPattern