winfrom 程序自己删除自己

   [DllImport("kernel32.dll")]
        public static extern uint WinExec(string lpCmdLine, uint uCmdShow);

  private void button1_Click(object sender, EventArgs e)
        {
  string vBatFile = Path.GetDirectoryName(Application.ExecutablePath) + "\\Zswang.bat";//这个是bat文件 不可更改成别的名称。
            using (StreamWriter vStreamWriter = new StreamWriter(vBatFile, false, Encoding.Default))
            {
                vStreamWriter.Write(string.Format(
                ":del\r\n" +
                " del \"{0}\"\r\n" +
                "if exist \"{0}\" goto del\r\n" +
                "del %0\r\n", Application.ExecutablePath));
            }

            WinExec(vBatFile, 0);
｝