Calling Native DLL Functions : DLL Library « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » DLL Library Screenshots  Calling Native DLL Functions /* A Programmer's Introduction to C# (Second Edition) by Eric Gunnerson Publisher: Apress  L.P. ISBN: 1-893115-62-3 */ // 31 - Interop\Calling Native DLL Functions // copyright 2000 Eric Gunnerson using System.Runtime.InteropServices; public class CallingNativeDLLFunctions {     [DllImport("user32.dll")]     public static extern int MessageBox(int h, string m,      string c, int type);     public static void Main()     {         int retval = MessageBox(0, "Hello", "Caption", 0);     } }                     Related examples in the same category 1. File to be used as a library assembly 2. File to be used as a library assembly 2 3. Loading Assemblies: Making it Dynamic 4. Creates a library assembly