If you miss to specify the DeletePaths
properties then the files and folders in the RadFileExplorer control will become read-only. In the newest version of the control(it can be observed in the current BETA releas
e) the delete, upload buttons an context menu items disappear from the RadFileExplorer control. Also, I believe that this KB article
will be of help in order to customize the toolbar and context menus in RadFileExplorer.
All the best,
the Telerik team