We shipped Expression Encoder 3 with a bunch of samples that demonstrated various aspects of the Expression Encoder 3 SDK. Some of them were shipped as C# only. Thanks to some good folks in Visual Studio these are now available in Visual Basic in the following CodePlex project.

Expression Encoder 3 Visual Basic Samples

You can download them as one zip file by clicking on the Source Code tab and then clicking the Download tab on the right. If you have any problems let me know.