The InputFiles method removes any previously files, and adds specified files to the control. You can clear the files into the control by calling the InputFile property on "". The control fires the Changing event before updating the thumbnail view, and the Change event once the thumbnail is changed. Use the ThumbnailType property to specify whether the thumbnail is a bitmap or an icon. Use the AcceptFiles property to disable drag-and-drop files in the thumbnail control. The AcceptFolders property specifies whether the control accepts drag-and-drop folders. The LimitInputFiles property limits the number of files the control can display.

You can use any of the following properties/method to add files into the control:

• InputFile property specifies the file or the web page to display its thumbnail.
• InputFiles property indicates the list of files to be thumbnailed
• AddInputFiles method adds files to be thumbnailed.