<p>using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Linq; 
using System.Text; 
using System.Windows.Forms; 
using System.Runtime.InteropServices;</p><p> </p><p>namespace e_dll 
{ 
  public partial class Form1 : Form 
  { 
    public Form1() 
    { 
      InitializeComponent(); 
    } 
    [DllImport("msg.dll")] 
    public static extern void msgbox(string text,string title); 
    private void button1_Click(object sender, EventArgs e) 
    { 
      msgbox("成功調(diào)用易語言dll!", "測試"); 
    } 
  } 
} 
</p>