Hello Jack,
Thank you for your question.
The white background you are seeing is the background of the
ListViewElement, which is the main element of
RadListView. Here is how you can remove that background:
However, please note that there is no real transparency in the windows forms technology. This is mentioned in
this MSDN article.
I hope this will help you. Do not hesitate to ask if you have any further questions.
All the best,
Ivan Todorov
the Telerik team