Just drag the component from the toolbox to  your windows form applications and...  you are ready to go!

Add image barcode reading functionality to your applications.

ImgBarDecoder Component is an invisible-at-runtime (windowless) control available for a .NET Windows Forms, which allows you to read the most common barcode types in any region of an image. Using ImgBarDecoder, developers can add barcode symbol recognition to applications such as form processing, shipping and receiving systems or document management systems. It can be easily integrated into applications written in .Net 2.0 languages such as Visual C++, Visual Basic or C#. ImgBarcodes supports: Code11, Code 39, Interleaved 2 of 5, Codabar, Code 93, EAN8, EAN13, UPCA, Code128.

Two properties to set, one function to run and two events for the results. No other references to files, just 68K of pure managed code.