Thank you for the writing.
does not support such functionality and I not able to provide a workaround for this.
However, you can try to place the RadGroupBox
in a RadSplitPanel
. In this case you will be able to resize the RadSplitPanel
and the RadGroupBox
inside. Please, refer to the attached project.
I hope this scenario is applicable in your case.
All the best,
the Telerik team