Gets a thumbnail image of the specified Picture that has the same dimensions as the phone's screen.
For each picture saved on the phone, the following two thumbnail images are automatically created and can be retrieved by your apps.
- A small thumbnail image. You can retrieve this thumbnail with the GetThumbnail method of the Picture class.
- A preview image that has the same dimensions as the phone's screen. You can retrieve this preview image with the GetPreviewImage extension method of the Picture class.