| Class | Description |
|---|---|
| QLFileThumbnailRequest |
This class contains information about the thumbnail that should be provided.
|
| QLThumbnailGenerationRequest | |
| QLThumbnailGenerator | |
| QLThumbnailProvider | |
| QLThumbnailReply |
To provide a thumbnail for a request, you have to return a QLThumbnailReply object.
|
| QLThumbnailRepresentation |