C# DLL regsvr32 注册找不到入口，这是为什么？

fzcheng 2012-05-18 10:10:02

是不是什么地方要设置，请帮忙弄下好吗？



using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.InteropServices;

using System.IO;



namespace ZBarcode

{

    public class RawPrintHelper

    {

        // Structure and API declarions:

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]

        public class DOCINFOA

        {

            [MarshalAs(UnmanagedType.LPStr)]

            public string pDocName;

            [MarshalAs(UnmanagedType.LPStr)]

            public string pOutputFile;

            [MarshalAs(UnmanagedType.LPStr)]

            public string pDataType;

        }

        [DllImport("winspool.Drv", EntryPoint = "OpenPrinterA", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

        public static extern bool OpenPrinter([MarshalAs(UnmanagedType.LPStr)] string szPrinter, out IntPtr hPrinter, IntPtr pd);



        [DllImport("winspool.Drv", EntryPoint = "ClosePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

        public static extern bool ClosePrinter(IntPtr hPrinter);



        [DllImport("winspool.Drv", EntryPoint = "StartDocPrinterA", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

        public static extern bool StartDocPrinter(IntPtr hPrinter, Int32 level, [In, MarshalAs(UnmanagedType.LPStruct)] DOCINFOA di);



        [DllImport("winspool.Drv", EntryPoint = "EndDocPrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

        public static extern bool EndDocPrinter(IntPtr hPrinter);



        [DllImport("winspool.Drv", EntryPoint = "StartPagePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

        public static extern bool StartPagePrinter(IntPtr hPrinter);



        [DllImport("winspool.Drv", EntryPoint = "EndPagePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

        public static extern bool EndPagePrinter(IntPtr hPrinter);



        [DllImport("winspool.Drv", EntryPoint = "WritePrinter", SetLastError = true, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

        public static extern bool WritePrinter(IntPtr hPrinter, IntPtr pBytes, Int32 dwCount, out Int32 dwWritten);



        // SendBytesToPrinter()

        // When the function is given a printer name and an unmanaged array

        // of bytes, the function sends those bytes to the print queue.

        // Returns true on success, false on failure.

        public static bool SendBytesToPrinter(string szPrinterName, IntPtr pBytes, Int32 dwCount)

{。。。}