By default, the AcceptFiles property is True. 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. Use the Thumbnail property to retrieve the thumbnail picture. Use the OutputFile property to save the thumbnail picture. The Change event notifies your application when the user drags a file into the thumbnaill control.

You can add support for OLE Drag and Drop operations using the following events:

• OLEStartDrag event.
• OLEDragDrop event

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.