Calling Native DLL Functions : Native Windows Function « Windows « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows
3. Native Windows Function

using System;
using System.Runtime.InteropServices;
class Test
{
    [DllImport("user32.dll")]
    public static extern int MessageBox(IntPtr h, string m, string c, int type);
    public static void Main()
    {
        int retval = MessageBox(IntPtr.Zero, "Hello", "Caption", 0);
    }
}