| Class | Description |
|---|---|
| QLFilePreviewRequest |
This class contains information about the preview that should be provided.
|
| QLPreviewController | |
| QLPreviewProvider |
Data-based preview extensions should subclass QLPreviewProvider in their principal object.
|
| QLPreviewReply |
To provide a data-based preview, you have to return a QLPreviewReply object.
|
| QLPreviewReplyAttachment |
QLPreviewReplyAttachment is used to provide data for attachment in html data-based previews.
|
| QLPreviewSceneActivationConfiguration | |
| QLPreviewSceneOptions |