Invoke MessageBox in Dll : DLL « Windows « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows
3. DLL

using System;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.Text;

    class Program
    {
        [DllImport("user32.dll")]
        public static extern int MessageBox(IntPtr hwnd, String text, String caption, uint type);

        static void Main(string[] args)
        {
            MessageBox(new IntPtr(0), "Greetings from Platform Invoke", "Platform Invoke", 0);
        }
    }