Thank you for writing.
This is a known issue with RadForm
. However, it has already been addressed and the fix will be introduced in R3 2016. Here is the feedback item for your reference where you can find a suggested workaround: http://feedback.telerik.com/Project/154/Feedback/Details/194568-fix-radform-the-form-is-clipped-when-maximized-on-windows-7-with-a-disabled-ae
I hope this information helps. Should you have further questions I would be glad to help.
Telerik by Progress
Check out the Windows Forms project converter, which aids the conversion process from standard Windows Forms applications written in C# or VB to Telerik UI for WinForms.For more information check out this blog post
and share your thoughts.