add_attribute

Description:

public void add_attribute (string? ns_href, string name, string value)

Adds a new attribute to the current element.

Use null ns_href, to use the default namespace, otherwise either previously added namespace with the same href from e_xml_document_add_namespaces is picked, or a new namespace with generated prefix is added.

Parameters:

this	an XmlDocument
ns_href	optional namespace href for the new attribute, or `null`
name	name of the attribute
value	value of the attribute