用C#实现生成PDF文档(原码)

using System;
using System.IO;
using System.Text;
using System.Collections;

namespace PDFGenerator
...{

    public class PDFGenerator
    ...{
        static float pageWidth = 594.0f;
        static float pageDepth = 828.0f;
        static float pageMargin = 30.0f;
        static float fontSize = 20.0f;
        static float leadSize = 10.0f;

        static StreamWriter pPDF = new StreamWriter("E:myPDF.pdf");

        static MemoryStream mPDF = new MemoryStream();

        static void ConvertToByteAndAddtoStream(string strMsg)
        ...{
            Byte[] buffer = null;
            buffer = ASCIIEncoding.ASCII.GetBytes(strMsg);
            mPDF.Write(buffer, 0, buffer.Length);
            buffer = null;
        }

        static string xRefFormatting(long xValue)
        ...{
            string strMsg = xValue.ToString();
            int iLen = strMsg.Length;
            if (iLen < 10)
            ...{
                StringBuilder s = new StringBuilder();
                int i = 10 - iLen;
                s.Append('0', i);
                strMsg = s.ToString() + strMsg;
            }
            return strMsg;
        }

        static void Main(string[] args)
        ...{
            ArrayList xRefs = new ArrayList();
            //Byte[] buffer=null; 
            float yPos = 0f;
            long streamStart = 0;
            long streamEnd = 0;
            long streamLen = 0;
            string strPDFMessage = null;
            //PDF文档头信息 
            strPDFMessage = "%PDF-1.1 ";
            ConvertToByteAndAddtoStream(strPDFMessage);

            xRefs.Add(mPDF.Length);
            strPDFMessage = "1 0 obj ";
            ConvertToByteAndAddtoStream(strPDFMessage);