Hello,
I have downloaded the below reffered test application and try to run in the latest Telerik version release(Q2 2012 SP1), I am finding attached error messages which I can't debug it. I tried lot to adding all refernces and didn't found the required reference dll. RadControlDesignTimeData and
ControlStyleBuilderInfoList.
Please make it ruinable below attached application ASAP otherwise give new collapsible panel test application whic works in Telerik version (Q2 2012 SP1) (C# code required)
Thanks in advance.
Ref:http://www.telerik.com/community/forums/winforms/panels-and-labels/collapsible-panels.aspx
Regards
Manoj