This is an emulation of the actual demonstration software application.  You can press Next to continue, or click on the numerals on the left: 1, 2... etc to follow the demonstration.

When you start the WsqCodec demonstration you will see the screen below.  The functionality of the WSQ Compression and decompression demonstration application software is available to your application as .NET assemblies, and the source code of this application is available to illustrate how to use the assemblies within your application.