using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; //引用系统调用 namespace win32_Api { class Program { [DllImport("user32.dll")] //调用内核插件 public static extern int MessageBox(int h, string m, string c, int type); //属性设置 static void Main(string[] args) { MessageBox(0, "Hello win32 API", "title", 4); //对应属性中的4个参数 h=0,hello..=m,title=c,type=4 Console.ReadLine(); } } }