C#+ArcEngine 序列化和反序列化AE对象

在AE开发过程,总是要将某些对象暂时存储起来,像element,layer,map,symbol 等等. ArcEngine提供了序列化对象的方法来保存这些信息, 所有能序列化的对象都支持IPersistStream 接口(详查帮组文档) .此外IXMLStream 也是比较重要的接口.具体请查看帮助文档.

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本文参考了wall 大牛的技术文档,并受到启发.

相关地址:http://www.cnblogs.com/wall/archive/2009/02/26/1398447.html

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/// <summary>
/// 序列化(将对象序列化成xml文件)
/// </summary>
/// <param name="xmlfile">序列化文件路径</param>
/// <param name="obj">序列化对象</param>
/// <returns></returns>
public static bool xmlSerializer(string xmlfile,object obj)
{
try
{
//判断是否支持IPersistStream接口,只有支持该接口的对象才能进行序列化
if (obj is ESRI.ArcGIS.esriSystem.IPersistStream)
{
ESRI.ArcGIS.esriSystem.IPersistStream pStream = obj as ESRI.ArcGIS.esriSystem.IPersistStream;

ESRI.ArcGIS.esriSystem.IXMLStream xmlStream = new ESRI.ArcGIS.esriSystem.XMLStreamClass();

pStream.Save(xmlStream as ESRI.ArcGIS.esriSystem.IStream, 0);

xmlStream.SaveToFile(xmlfile);

return true;
}
return false;
}
catch (System.Exception e)
{
return false;
}
}

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/// <summary>
/// 反序列化(将xml反序列化成指定的对象)
/// </summary>
/// <param name="xmlPathFile">序列化文件</param>
/// <param name="obj">序列化对象</param>
/// <returns></returns>
public static bool XmlDeSerializer(string xmlPathFile,ref object obj)
{
try
{
//判断文件是否存在
if (System.IO.File.Exists(xmlPathFile) && System.IO.Path.GetExtension(xmlPathFile) == ".xml")
{
ESRI.ArcGIS.esriSystem.IPersistStream pStream = obj as ESRI.ArcGIS.esriSystem.IPersistStream;

ESRI.ArcGIS.esriSystem.IXMLStream xmlStream = new ESRI.ArcGIS.esriSystem.XMLStreamClass();

xmlStream.LoadFromFile(xmlPathFile);
pStream.Load(xmlStream as ESRI.ArcGIS.esriSystem.IStream);

return true;
}
return false;
}
catch(Exception ex)
{
return false;
}
}