C # dynamic Link library

Dynamic link library is a way to realize the concept of shared function library. The extension is ". dll".

The dynamic link library provides a way for a process to invoke a function that is not part of its executable code.

The executable code for a function is located in a DLL file that contains one or more functions that have been compiled, linked, and stored separately from their processes.

DLLs help to share data and resources, and multiple applications can access a single copy of the DLL in memory at the same time.

Using a dynamic-link library makes it easier to apply updates to individual modules without affecting other parts of the program.

Development process:

Step1: File---> New---> Project---> class library---> Copy and paste code---> Build---> Build dlltest

<span style= "FONT-SIZE:14PX;" ><strong>using system;using system.collections.generic;using system.text;namespace DllTest {public    Class Class1     {public         void ShowMessage ()        {            Console.WriteLine ("You have successfully invoked a dynamic connection! ");            Console.ReadLine ();}}}    </strong></span>

Step2: File---> New---> Project--->console application---> Copy and paste code

Right-click reference---> Add reference to add the newly generated DllTest.dll

<strong>using system;using system.collections.generic;using system.text;using System.Runtime.InteropServices ; using Dlltest;namespace dllexample{class program{    static void Main (string[] args)    {        Dlltest.class1 i = new Class1 ();        method to invoke the dynamic-link library        i.showmessage ();}}}    </strong>

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