c#数据结构转c++指针

最新推荐文章于 2025-01-02 15:43:27 发布

fangqingivu

最新推荐文章于 2025-01-02 15:43:27 发布

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分类专栏：语言编码文章标签： c++ c# 数据结构指针字符串

本文链接：https://blog.youkuaiyun.com/fangqingivu/article/details/114747320

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C#string转c++ char*

C#使用IntPtr类型接受Marshal.StringToHGlobalAnsi分配的内存。

string sno = ""12345;
IntPtr strsno = Marshal.StringToHGlobalAnsi(sno);
Marshal.FreeHGlobal(strsno);//必须释放

IntPtr转string

string msg = Marshal.PtrToStringAnsi((IntPtr)pmsg);

结构体的转换 c#结构体和对应的c++结构体如下

    [StructLayoutAttribute(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
    public struct SerialPort
    {
        public byte comno;
        public byte btParity;
        public byte btByteSize;
        public byte btStopBits;
        public uint dwBaudRate;
    };

typedef struct tagSerialPort
{
    unsigned char	comno;
    unsigned char	btParity;
    unsigned char	btByteSize;
    unsigned char	btStopBits;
    unsigned int	dwBaudRate;
} _SERIAL_PORT;

转换代码如下