THPDFParagraphReflowSession.Rollback
Declaration
procedure Rollback;
Restores the original graph when one is pending and clears Pending; the retained preview may be applied again after rollback, and calling it with no pending edit has no effect
procedure Rollback;
Restores the original graph when one is pending and clears Pending; the retained preview may be applied again after rollback, and calling it with no pending edit has no effect