sharpdevelop中如何加载addin文件

 addin的一个例子
  < AddIn  name         = "SharpDevelop Core"
       author       = "Mike Krueger"       
       description  = "NCvs core module"
       version      = "1.0.0" >

     < Runtime >
         < Import  assembly ="SharpDevelop.Base.dll" />
         < Import  assembly ="CSharpParser.dll" />
     </ Runtime >   
</ AddIn >

// 简化的对addin文件的操作类
using  System;
using  System.Collections.Generic;
using  System.Text;
using  System.Xml;
using  System.IO;
using  System.Windows.Forms;
using  System.Diagnostics;


namespace  CSLearn
{
     ///   <summary>
     ///  读取xml文本的一个类
     ///   </summary>
     public   class  cxyxmlreader
    { 
         public  cxyxmlreader( string  tpxmfile)
        {
            Debug.Assert( string .IsNullOrEmpty(xmlfile),  " xml文件不能为空 " );
             this .xmlfile  =  tpxmfile;
            Initlization();
        }

         ///   <summary>
         ///  加载xml文件 初始化变量,
         ///   </summary>
         private   void  Initlization()
        {

            System.Diagnostics.Debug.Assert(File.Exists(xmlfile),  " 配置文件不存在 " );
            XmlDocument doc  =   new  XmlDocument();
            doc.Load(xmlfile);


             try
            {
                 // selectsinglenode中的参数注意大小写
                version  =  doc.SelectSingleNode( " AddIn/@version " ).Value;
                author  =  doc.SelectSingleNode( " AddIn/@author " ).Value;
                description  =  doc.SelectSingleNode( " AddIn/@description " ).Value;
                version  =  doc.SelectSingleNode( " AddIn/@version " ).Value;

            }
             catch  (Exception ex)
            {
                 // todo:处理异常
                 throw  ex;
            }
             
        }


         string  xmlfile,author,description,version;
         ///   <summary>
         ///  配置文件名
         ///   </summary>
         public  String XmlFileName  {   set  { xmlfile  =  value; }  }
         ///   <summary>
         ///  作者
         ///   </summary>
         public   string  Author {  get  {  return  author; }  }
         ///   <summary>
         ///  addin描述
         ///   </summary>
         public   string  Description {  get  {  return  description; } }
         ///   <summary>
         ///  版本信息
         ///   </summary>
         public   string  Version {  get  {  return  version; } }
       
           
       
    }

    
}
// 类的使用方法
 cxyxmlreader reader  =   new  cxyxmlreader( " xmlfile1.xml " );
MessageBox.Show(reader.Version);