public Chart(IDocument document,XmlNode node,XmlNode ParentNode):base(ParentNode,document)
{
this.Node = node;
this.Styles = new StyleCollection ();
this.ChartStyles = new ChartStyles (this);
this.Document .EmbedObjects .Add (this);
this.Document .DocumentMetadata .ObjectCount +=1;
this.InitStandards ();
}