Application #95. Make Win32 API Calls

This sample application demonstrates how to use Win32 API function calls in Visual Basic .NET.

New Concepts

Although the .NET Framework provides thousands of classes, designed to meet almost every programming requirement, you might occasionally want to access low-level operating system functions more directly. In such situations, it’s time for placing a call to the Win32 API. Platform Invoke, or PInvoke, is a service provided by the .NET Framework to enable managed code to call unmanaged functions in DLLs.

Uses for Win32 API Calls

Imagine that you want to determine all the processes that are currently executing, you’d like a list of all active windows, or you want to make a window’s title bar flash to ...

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