extern.cs

深入浅出C＃,学习C#比较好的用例,能够很快掌握C#.

using System;
using System.Runtime.InteropServices;
class MyClass 
{
	[DllImport("User32.dll")]
	public static extern int MessageBox(int h, string s, string s1, int type);

	public static int Main() 
	{
		Console.WriteLine("输入一个信息，该信息将在对话框中显示......");
		string myString; 
		Console.Write("please input your message: ");
		myString = Console.ReadLine();
		return MessageBox(0, myString, "My Message Box", 0);
	}
}