C#+ArcEngine 序列化和還原序列化AE對象

在AE開發過程,總是要將某些對象暫時儲存起來,像element,layer,map,symbol 等等. ArcEngine提供了序列化對象的方法來儲存這些資訊, 所有能序列化的對象都支援IPersistStream 介面(詳查幫組文檔) .此外IXMLStream 也是比較重要的介面.具體請查看協助文檔.

 

本文參考了wall 大牛的技術文檔,並受到啟發.

相關地址: http://www.cnblogs.com/wall/archive/2009/02/26/1398447.html

 

Code
        /// <summary>
        /// 序列化(將對象序列化成xml檔案)
        /// </summary>
        /// <param name="xmlfile">序列化檔案路徑</param>
        /// <param name="obj">序列化對象</param>
        /// <returns></returns>
        public static bool xmlSerializer(string xmlfile,object obj)
        {
            try
            {
                //判斷是否支援IPersistStream介面,只有支援該介面的對象才能進行序列化
                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;
            }           
        }

--------------------------------------------------------------------------------

        /// <summary>
        /// 還原序列化(將xml還原序列化成指定的對象)
        /// </summary>
        /// <param name="xmlPathFile">序列化檔案</param>
        /// <param name="obj">序列化對象</param>
        /// <returns></returns>
        public static bool XmlDeSerializer(string xmlPathFile,ref object obj)        
        {    
            try
            {
                //判斷檔案是否存在
                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;
            }
        }