C#关闭IE相应的窗口 .

window.close();

System.Diagnostics.Process[]   myProcesses;  
  myProcesses   =   System.Diagnostics.Process.GetProcessesByName("IEXPLORE");  
  foreach   (System.Diagnostics.Process   instance   in   myProcesses)  
  {  
  instance.CloseMainWindow();  
  }

 instance.kill();  

Process[]   pros   =   System.Diagnostics.Process.GetProcessesByName("IEXPLORE");  
  foreach(Process   p   in   pros)  
  {  
  if(p.MainWindowTitle.Equals("YourTitleSetting"))  
  p.Kill();  
  }  

//关闭所有的IE
           System.Diagnostics.Process[] myProcesses;
            myProcesses = System.Diagnostics.Process.GetProcessesByName("IEXPLORE");
            foreach (System.Diagnostics.Process instance in myProcesses)
            {
                instance.CloseMainWindow();
            }
            instance.kill();
//关闭标题为你要求的IE
            Process[] pros = System.Diagnostics.Process.GetProcessesByName("IEXPLORE");
            foreach (Process p in pros)
            {
                if (p.MainWindowTitle.Equals("YourTitleSetting"))
                    p.Kill();
            }