You can find the Getting Started Sample Application for C#:
This sample application provides you with a visual application that shows you, method-by-method, property-by-property, how to use the most important features of the library. The application has various tabs, each demonstrating an Xceed Zip method by displaying the most important properties you need to fill out, and providing an action button to run the method.
The methods demonstrated are: Zip, Unzip, ListZipContents and GetZipContents.
To use the sample, load the Getting Started.csproj project file, then run the program.