C#

public int ActiveIndex { get; set; }

Process calcProcess=Process.Start("c:\\windows\\system32\\calc.exe");
       Thread.Sleep(2000);

       AutomationElement aeDesktop = AutomationElement.RootElement;

       AutomationElement aeCalc = null;
       int numWaits = 0;
       do
       {
           aeCalc = aeDesktop.FindFirst(TreeScope.Children,
             new PropertyCondition(AutomationElement.NameProperty, "Calculator"));
           Console.WriteLine("Looking for calculator . . . ");
           ++numWaits;
           Thread.Sleep(100);
       } while (aeCalc == null && numWaits < 10);
       if (aeCalc == null)
           throw new Exception("Failed to find calc.EXE");
       else
           Console.WriteLine("Found it!");
       AutomationElementCollection menuCalcBars = aeCalc.FindAll(TreeScope.Children, new PropertyCondition(
       AutomationElement.ControlTypeProperty, ControlType.MenuBar));