C#： DDE通讯

genghao

于 2023-10-01 14:23:56 发布

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CC 4.0 BY-SA版权

文章标签： c#

本文链接：https://blog.youkuaiyun.com/genghao/article/details/133464850

using System;
using System.Collections.Generic;
using System.Text;

namespace HisDataToSqlServer
{
    using System.Runtime.InteropServices;

    #region "Win32 API 结构声明例子"
    class Win32API
    {
        protected const uint DMLERR_NO_ERROR = 0;
        protected const int APPCLASS_STANDARD = 0x0;
        protected const int CBF_FAIL_SELFCONNECTIONS = 0x1000;
        protected const int DNS_REGISTER = 0x0001;
        protected const int CP_WINANSI = 1004;
        protected const uint TIMEOUT_ASYNC = 0xFFFFFFFF;
        protected const int XCLASS_FLAGS = 0x4000;
        protected const int XTYP_POKE = (0x0090 | XCLASS_FLAGS);
        protected const int XCLASS_DATA = 0x2000;
        protected const int XTYP_REQUEST = (0x00B0 | XCLASS_DATA);
        protected const int XCLASS_NOTIFICATION = 0x8000;
        protected const int XTYP_XACT_COMPLETE = 0x0080 | XCLASS_NOTIFICATION;


        [StructLayout(LayoutKind.Sequential)]
        protected struct SECURITY_QUALITY_OF_SERVICE
        {
            public ushort Length;
            public int ImpersonationLevel;
            public int ContextTrackingMode;
            public bool EffectiveOnly;
        }

        [StructLayout(LayoutKind.Sequential)]
        protected struct CONVCONTEXT
        {
            public uint cb;
            public uint wFlags;
            public uint wCountryID;
            pub