The desired behavior can be achieved by creating an attached property and handling the AutoGeneratingPropertyDefinition
event of the RadPropertyGrid
inside the CollectionEditor
I'm attaching a sample project to demonstrate this. Please have a look at it and let me know whether such an approach would work for you.
Telerik by Progress
Do you need help with upgrading your AJAX, WPF or WinForms project? Check the Telerik API Analyzer
and share your thoughts.