Returns value identifying the last checkpoint in the document, or nil if the document has no checkpoints.
function GetLastCheckpoint: TCheckpointData;
(introduced in version 1.5)
GetLastCheckpoint + GetPrevCheckpoint allow to iterate through all checkpoints in the document.
Checkpoints from subdocuments (table cells) are not included in the checkpoints list of document.
See also methods:
▪GetNextCheckpoint, contains example;