看了半天，看不懂，各位大哥帮忙解释下吧，谢谢了。

public class Files
{
    public Files()
    {
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }
    public static bool CreatHtmlPage(string[] strNewsHtml, string[] strOldHtml, string strModeFilePath, string strPageFilePath)
    {
        bool Flage = false;
        StreamReader ReaderFile = null;
        StreamWriter WrirteFile = null;
        string FilePath = HttpContext.Current.Server.MapPath(strModeFilePath);
        Encoding Code = Encoding.GetEncoding("gb2312");
        string strFile = string.Empty;
        try
        {
            ReaderFile = new StreamReader(FilePath, Code);
            strFile = ReaderFile.ReadToEnd();

        }
        catch (Exception ex)
        {
            throw ex;
        }
        finally
        {
            ReaderFile.Close();
        }
        try
        {
            int intLengTh = strNewsHtml.Length;
            for (int i = 0; i < intLengTh; i++)
            {
                strFile = strFile.Replace(strOldHtml[i], strNewsHtml[i]);
            }
            WrirteFile = new StreamWriter(HttpContext.Current.Server.MapPath(strPageFilePath), false, Code);
            WrirteFile.Write(strFile);
            Flage = true;
        }
        catch (Exception ex)
        {
            throw ex;
        }
        finally
        {

            WrirteFile.Flush();
            WrirteFile.Close();
        }
        return Flage;
    }
    public static bool UpdateHtmlPage(string[] strNewsHtml, string[] strStartHtml, string[] strEndHtml, string strHtml)
    {
        bool Flage = false;
        StreamReader ReaderFile = null;
        StreamWriter WrirteFile = null;
        string FilePath = HttpContext.Current.Server.MapPath(strHtml);
        Encoding Code = Encoding.GetEncoding("gb2312");
        string strFile = string.Empty;
        try
        {
            ReaderFile = new StreamReader(FilePath, Code);
            strFile = ReaderFile.ReadToEnd();

        }
        catch (Exception ex)
        {
            throw ex;
        }
        finally
        {
            ReaderFile.Close();
        }
        try
        {
            int intLengTh = strNewsHtml.Length;
            for (int i = 0; i < intLengTh; i++)
            {
                int intStart = strFile.IndexOf(strStartHtml[i]) + strStartHtml[i].Length;
                int intEnd = strFile.IndexOf(strEndHtml[i]);
                string strOldHtml = strFile.Substring(intStart, intEnd - intStart);
                strFile = strFile.Replace(strOldHtml, strNewsHtml[i]);
            }
            WrirteFile = new StreamWriter(FilePath, false, Code);
            WrirteFile.Write(strFile);
            Flage = true;
        }
        catch (Exception ex)
        {
            throw ex;
        }
        finally
        {

            WrirteFile.Flush();
            WrirteFile.Close();
        }
        return Flage;
    }
}

方法中传递的参数是怎么来的啊。