using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
namespace ConsoleApplication1
{
class myApi
{
public const int MB_OK = 0;
[DllImportAttribute("user32.dll")] //载入外部 api函数所在的动态链接库文件
public static extern int MessageBox(IntPtr hwnd,string text,string caption,int type); //调用外部 api函数的声明
}
class Program
{
static void Main(string[] args)
{
myApi.MessageBox(IntPtr.Zero,"调用的是win32api的MessageBox","提示信息",myApi.MB_OK); //设用外部api(MessageBox函数)
}
}
}