删除只读文件

private void DeleteFile(string strFileName)
        ...{
            if (File.Exists(strFileName))
            ...{
                FileInfo file = new FileInfo(strFileName);
                if (file.Attributes.ToString().IndexOf("ReadOnly") != -1)
                ...{
                    file.Attributes = FileAttributes.Normal;
                }
                File.Delete(strFileName);
            }
        }