To set the value of a two-dimensional array in c++ dll

Question

Hello friend,

 The following code will not run properly.

 

C++ codes:

// mytest.cpp

#include "stdafx.h"

#include <string.h>

#include <stdio.h>

extern "C"{

_declspec(dllexport) void _setv(char ***s, int row, int column){

for (int i = 0; i < row;i++){

for (int j = 0; j < column;j++)

{

strcat(s[i][j],"The value in here.");

}

}

}

}

C# codes:

class Program

{

[DllImport("mytest.dll", CallingConvention = CallingConvention.Cdecl)]

public static extern void _setv(string[,] s, int row, int column);

static void Main(string[] args)

{

string[,] _arr = new string[2, 2]{{"",""},{"",""}};

_setv(_arr, 2, 2);

}

}

 

Thank.