c# 关闭进程

//关闭进程
public void KillProcess(string processName)
{
System.Diagnostics.Process myproc = new System.Diagnostics.Process();
//得到所有打开的进程
try
{
foreach (Process thisproc in Process.GetProcessesByName(processName))
{
if (!thisproc.CloseMainWindow())
{
if (thisproc != null)
thisproc.Kill();
}
}
}
catch (Exception Exc)
{
throw Exc;
// msg.Text+= "杀死" + processName + "失败！";
}
}