Hello Andre,
It is not easy to get the actual width of a group element because it is valid only when calling its parent element
ArrangeOverride method. However, you can center groups both horizontally and vertically by using a custom
RadPanoramaElement and overriding its
ArrangeOverride method. Consider the following code:
If you have further questions, do not hesitate to contact me.
All the best,
Jack
the Telerik team