Samples, which come with C1Studio installer, help you understand the product and its implementation better. Expression Editor sample is available in the installed folder:

Documents\ComponentOne Samples\WPF\Expression Editor\CS.

Documents\ComponentOne Samples\WPF\Expression Editor\VB.

Sample	Description
ExpressionEditorSamples	This sample demonstrates how to create application with Expression Editor control, bind it to an object and integrate it with FlexChart and FlexGrid.