using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;
public class XmlUtility
{
public static XmlAttribute CreateAttribute(XmlNode node, string name, object value)
{
XmlAttribute attribute = node.OwnerDocument.CreateAttribute(name);
attribute.Value = value.ToString();
node.Attributes.Append(attribute);
return attribute;
}
public static XmlElement CreateTextElement(XmlNode node, string name, string value)
{
StringBuilder sb = new StringBuilder();
using (XmlTextWriter writer = new XmlTextWriter(new StringWriter(sb)))
{
writer.WriteString(value);
}
XmlElement element = node.OwnerDocument.CreateElement(name, node.NamespaceURI);
element.InnerText = sb.ToString();
node.AppendChild(element);
return element;
}
public static XmlElement CreateImageElement(XmlNode node, string name, Image image)
{
XmlElement imageElement;
using (var stream = new MemoryStream())
{
image.Save(stream, ImageFormat.Png);
byte[] imageBytes = stream.ToArray();
String imageBase64String = Convert.ToBase64String(imageBytes);
imageElement = CreateTextElement(node, name, imageBase64String);
}
return imageElement;
}
public static Image ReadImageElement(XmlElement node)
{
Image image;
byte[] imageBytes = Convert.FromBase64String(node.InnerText);
using (var stream = new MemoryStream(imageBytes))
{
image = Bitmap.FromStream(stream);
return image;
}
}
}