QLThumbnailRequestSetDocumentObject(_:_:_:)
Stores an object as part of a thumbnail request.
Declaration
func QLThumbnailRequestSetDocumentObject(_ thumbnail: QLThumbnailRequest!, _ object: UnsafeRawPointer!, _ callbacks: UnsafePointer<CFArrayCallBacks>!)Parameters
- thumbnail:
The thumbnail request.
- object:
The object that you want to associate with the thumbnail request.
- callbacks:
Callbacks for retaining or releasing the object that you want to store as part of the thumbnail request.
See Also
Handling thumbnail requests
QLThumbnailRequestCopyContentUTI(_:)QLThumbnailRequestCopyOptions(_:)QLThumbnailRequestCopyURL(_:)QLThumbnailRequestCreateContext(_:_:_:_:)QLThumbnailRequestFlushContext(_:_:)QLThumbnailRequestGetDocumentObject(_:)QLThumbnailRequestGetGeneratorBundle(_:)QLThumbnailRequestGetMaximumSize(_:)QLThumbnailRequestGetTypeID()QLThumbnailRequestIsCancelled(_:)QLThumbnailRequestSetImage(_:_:_:)QLThumbnailRequestSetImageAtURL(_:_:_:)QLThumbnailRequestSetImageWithData(_:_:_:)QLThumbnailRequestSetThumbnailWithDataRepresentation(_:_:_:_:_:)QLThumbnailRequestSetThumbnailWithURLRepresentation(_:_:_:_:_:)