how i can add the version and encoding to a xml file using TXMLDocument

Question

i want to add the version and encodig to a xml file created with TXMLDocument component

<?xml version="1.0" encoding="utf-8"?>

curently i'm doing this

XmlDoc   :=TXMLDocument.Create(nil);
XmlDoc.Version:='1.0';
XMLDoc.Encoding:='utf-8';

but i receive an acces violation in this line

XmlDoc.Version:='1.0';

how i can add the version and encoding?

RRUZ · Accepted Answer · 2011-03-18 22:11:29Z

18

you must set the Active property to True before to modify the XML document properties.

XmlDoc   :=TXMLDocument.Create(nil);
XmlDoc.Active:=True;
XmlDoc.Version:='1.0';
XMLDoc.Encoding:='utf-8';

answered Mar 18, 2011 at 22:11

RRUZ

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Comments

Remy Lebeau · Accepted Answer · 2012-06-16 04:05:42Z

1

If you construct a TXMLDocument with a nil Owner, the new instance uses reference counting to maintain its lifetime, so you MUST assign it to an IXMLDocument variable to maintain the reference count correctly or else the instance will be freed prematurely. Do not use a TXMLDocument variable in that situation. This is documented behavior, and would account for your AV. When working with dynamic instances of TXMLDocument, it is better to use the NewXMLDocument() and LoadXML...() functions instead.

answered Jun 16, 2012 at 4:05

Remy Lebeau

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