zoukankan      html  css  js  c++  java
  • C# vb.net 分别引用C++编译DLL

    \\Form1.Designer.cs
    using
    System.Runtime.InteropServices;//引入dll文件中的函数
    namespace WindowsApplication20130113
    {
    partial
    class Form1 { [DllImport("CommApi.dll")] private static extern bool SetSerialCom(Int32 nPort, Int32 lBaudRate, Int32 DataBit, Int32 lParity, Int32 lStopbit); [DllImport("CommApi.dll")] private static extern Int32 ReadCom(byte[] TheFirstAddrofInputBuff, Int32 lSizeofByte, Int32 msWaitTime); [DllImport("CommApi.dll")] private static extern bool WriteCom(byte[] TheFirstAddrofInputBuff, Int32 lSizeofByte); [DllImport("CommApi.dll")] private static extern int CloseSerialPort(); \\其他代码   }
    }

    然后便可以在源代码中引用SetSerialCom等函数。

    vb.net

    '命名空间
    Imports System.Runtime.InteropServices
    
    Public Class Form1
        Inherits Form
        Private Declare Function SetSerialCom Lib "commapi" (ByVal nPort As Int32, ByVal BaudRate As Int32, ByVal DataBit As Int32, ByVal Parity As Int32, ByVal Stopbit As Int32) As Boolean
        Private Declare Function ReadCom Lib "commapi" (ByRef TheFirstAddrofInputBuff As Byte, ByVal SizeofByte As Int32, ByVal msWaitTime As Int32) As Int32
        Private Declare Function WriteCom Lib "commapi" (ByRef TheFirstAddrofOutputBuff As Byte, ByVal SizeofByte As Int32) As Boolean
        Private Declare Sub CloseSerialPort Lib "commapi" ()

    注意:vb.net中的ByRef:传地址 (因为vb.net数组一般是用首地址传递),ByVal:传值;

  • 相关阅读:
    ASP.NET Web API编程——客户端调用
    .Net多线程编程—使用Visual Studio 2012进行调试
    .Net多线程编程—误用点分析
    中国省市区数据mysql脚本
    swift/IOS 多线程使用
    swift 自定义TabBarItem
    swift 动画切换View心地层次顺序
    swift 用协议实现代理传值功能
    Swift简单新闻APP实例
    swift NSMutableArray 排序
  • 原文地址:https://www.cnblogs.com/jonson1126/p/2865908.html
Copyright © 2011-2022 走看看