QLPreviewRequestGetTypeID()

Declaration

func QLPreviewRequestGetTypeID() -> CFTypeID

Return Value

The type identifier for the QLPreviewReqest opaque type.

Discussion

Thread-safety: This function should be called in the same thread as the preview request is made in; generally, this is the same thread in which the GeneratePreviewForURL callback was invoked.

See Also

Requesting previews

• QLPreviewRequestCopyContentUTI(_:)
• QLPreviewRequestCopyOptions(_:)
• QLPreviewRequestCopyURL(_:)
• QLPreviewRequestCreateContext(_:_:_:_:)
• QLPreviewRequestCreatePDFContext(_:_:_:_:)
• QLPreviewRequestFlushContext(_:_:)
• QLPreviewRequestGetDocumentObject(_:)
• QLPreviewRequestSetDocumentObject(_:_:_:)
• QLPreviewRequestGetGeneratorBundle(_:)
• QLPreviewRequestIsCancelled(_:)
• QLPreviewRequestSetDataRepresentation(_:_:_:_:)
• QLPreviewRequestSetURLRepresentation(_:_:_:_:)