AddAttribute()

override void System.Xml.Linq.XElement.AddAttribute ( XAttribute a )

inlinepackagevirtual

Reimplemented from System.Xml.Linq.XContainer.

Definition at line 983 of file XElement.cs.

    {
        if (Attribute(a.Name) != null)
        {
            throw new InvalidOperationException(System.SR.InvalidOperation_DuplicateAttribute);
        }
        if (a.parent != null)
        {
            a = new XAttribute(a);
        }
        AppendAttribute(a);
    }

References System.Xml.AppendAttribute, System.Xml.Attribute, and System.SR.InvalidOperation_DuplicateAttribute.