Thank you for writing us.
You can change this in the VisualItemFormatting event. Please note that when you are using this event you have to always reset any changed properties:
sender, ListViewVisualItemEventArgs e)
e.VisualItem.BorderColor = Color.Black;
More Information about this matter can be found in the following article: Custom items
Please let me know if there is something else I can help you with.
TRY TELERIK'S NEWEST PRODUCT - EQATEC APPLICATION ANALYTICS for WINFORMS.
Learn what features your users use (or don't use) in your application. Know your audience. Target it better. Develop wisely.
Sign up for Free application insights >>