THPDFIncrementalSourceInfo

Reports the storage and work performed by the active incremental update source

Fields

SourceFileName and SourceSize identify the source path and original byte length
ResidentSourceBytes reports retained complete-source bytes and is zero for a file-backed source
ProbeBytes reports the bounded tail bytes inspected whilst establishing the active trailer
LastCopiedSourceBytes reports sequential source-prefix bytes copied to a different target
LastAppendedBytes reports the completed delta bytes appended by the last save
TrackedChangeCount counts currently registered changed, new, and deleted objects
LastSaveVisitedObjectCount counts objects inspected by the last sparse save traversal
LastXRefEntryCount counts entries emitted in the last sparse xref revision
FileBacked confirms that the source remains external to the document heap
SourceLocked confirms that the source stream currently denies other writers
LastSaveInPlace identifies direct same-target append
SourceConsumed identifies a completed same-target append that requires a new BeginIncrementalUpdate call before another revision