public static ChartData Read(string fileName)
{
ChartSerializer s = new ChartSerializer();
ChartData data = new ChartData();
if (System.IO.File.Exists(fileName))
{
using (XmlReader r = XmlReader.Create(fileName))
{
s.r = r;
while (r.Read() && !r.EOF && r.NodeType != XmlNodeType.EndElement)
{
switch (r.NodeType)
{
case XmlNodeType.Element:
if (r.LocalName == "ChartData")
{
data = s.ReadChart();
}
break;
}
}
}
}
return(data);
}
//=========================== Save =============================================
public static void Write(ChartData data, string fileName)
{
ChartSerializer s = new ChartSerializer();
using (XmlTextWriter w = new XmlTextWriter(fileName, Encoding.UTF8))
{
s.w = w;
w.Formatting = Formatting.Indented;
w.WriteStartElement("ChartData");
if (!string.IsNullOrEmpty(data.Title))
{
w.WriteAttributeString("Title", data.Title);
}
foreach (ChartCategory c in data.Categories)
{
s.WriteCategory(c);
}
foreach (ChartSeries series in data.AllSeries)
{
s.WriteSeries(series);
}
w.WriteEndElement();
}
}