If you want to make changes in any of our controls, you can do it without using Blend.
Blend is oftenly used when you want to modify elements in the templates. The common way to extract style in Blend is to right click on it and choose one of the following options: Edit Template/Edit Additional Templates. For further reference, you may take a look at our online documentation
However, if you have any difficulties, do not hesitate to contact us.
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items