自定义文档类型的图标和缩略图
When creating or editing a document type you are able to select an icon and a thumnail image from a dropdown.
shopdocumenttype
The icon will show up in the content section and the thumbnail will be used in the ‘Create Page’ dialog. Giving different document types a different icon/thumbnail is a good way to keep the content section a bit more editor friendly.
It’s also verry easy to add your own custom icons/thumbnails the only thing you need to do is add your images to the folders where these images are stored
Thumbnails:
\umbraco\images\thumbnails