THotPDF.RollbackGraphTransaction Method
Rolls back the innermost copy-on-write graph savepoint
Declaration
procedure RollbackGraphTransaction;Unit
HPDFDoc
Parameters
| Name | Purpose |
|---|---|
| This member does not expose explicit parameters | |
Return value
This procedure does not return a value
Usage notes
- Rollback restores each touched indirect root in place so root object pointers remain stable
- Objects appended after the savepoint and their allocated object numbers are removed
- Direct descendant pointers obtained before rollback must be reacquired from their restored root