Using the Windows API in VB.NET

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We have been using Windows APIs to get the most out of the Windows operating system. Sites like www.vbapi.com have always been my favorite hangouts for understanding and using APIs.

.NET extends its support for using Windows...

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APIs. Let's check out how we can use the MessageBox API to display a simple MessageBox.

We will be using the DLLImport attribute for Platform Invoke (Pinvoke) service, which is used to tell the runtime that the code being executed is unmanaged code.

Class TestAPI.vb

Compile the class as Vbc testapi.vb /r:system.dll. When we execute the testapi.exe we will see a MessageBox being popped up.