THotPDF.BeginGraphTransaction Method

Starts a copy-on-write savepoint for the loaded indirect-object graph

Deklarace

procedure BeginGraphTransaction(const Name: AnsiString= '');

Jednotka

HPDFDoc

Parametry

Návratová hodnota

Tato procedura nevrací hodnotu

Poznámky k použití

• 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

Související API

• Copy-on-write graph transactions
• THotPDF
• Katalog / Adresář / Obsah (dle souvislosti: Katalog v PDF)