Thank you for writing.
I have tested this and it is working fine on my side (see attached video). This is why I wanted to ask you which version of the controls you are using? Are you able to reproduce this in a small sample project?
I am looking forward to your reply.
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
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