THotPDF.BeginGraphTransaction Method
Starts a copy-on-write savepoint for the loaded indirect-object graph
Declaração
procedure BeginGraphTransaction(const Name: AnsiString= '');Unidade
HPDFDoc
Parâmetros
| Nome | Finalidade |
|---|---|
Name | Optional diagnostic name for the savepoint |
Valor devolvido
Este procedimento não devolve um valor
Notas de utilização
- Starting a transaction indexes current indirect roots but does not copy them
- The first mutation of each indirect root creates one snapshot for the current savepoint
- Transactions may be nested and must be closed in last-in, first-out order