C#执行Excel宏模版的方法(4)

private static void MarshalReleaseComObject(object objCom)
        {
            try
            {
                int i = 1;
                if (objCom != null && System.Runtime.InteropServices.Marshal.IsComObject(objCom))
                {
                    do
                    {
                        i = System.Runtime.InteropServices.Marshal.ReleaseComObject(objCom);
                    } while (i > 0);
                }
            }
            finally
            {
                objCom = null;
            }
        }

}