ArrayList组定数据到combobox控件

public class aaa
 {
  private string myLongName;
  private string myShortName;
  public aaa(string LongName,string ShortName)
  {
   this.myLongName=LongName;
   this.myShortName=ShortName;    
  }
  public string ShortName
  {
   get
   {
    return myShortName;
   }
  }

  public string LongName
  {
     
   get
   {
    return myLongName ;
   }
  }

 }
//
//初始化班级comboBox控件
   
   ArrayList aaas=new ArrayList();
   aaas.Add(new aaa("AAAAAA","aa"));
   aaas.Add(new aaa("BBBBBB","bb"));
   comboBoxClass.DataSource=aaas;
   comboBoxClass.DisplayMember="LongName";
   comboBoxClass.ValueMember="ShortName";
//使用时
comboBoxClass.SelectedValue.ToString()