Hello Gary,
Thank you for contacting us.
Regarding your questions:
1. Please use the following code in order to customize RadGroupBox border:
2. This is not easy when using
RadTabStrip. That is why we replaced this control with
RadPageView in our latest release. I recommend that you try our latest release. Here is how you can change the content panel background in the new version:
Should you have any additional questions, please write back.
All the best,
Jack
the Telerik team
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