public void Add()
 {
     if (this.address == null || this.address.Trim().Equals(string.Empty) ||
         this.name == null || this.name.Trim().Equals(string.Empty))
     {
         this.Hint = "姓名、Notes地址不能为空!";
     }
     else
     {
         NotesAddress item = new NotesAddress();
         item.NotesAlias = this.name.Trim();
         item.NotesName  = this.address.Trim();
         this.ContactList.Add(item);
         config.ListNotesAddr = this.contactList.ToList();
         config.WriteConfigToFile();
         this.Hint    = "Notes联系人保存成功!";
         this.Address = "";
         this.Name    = "";
     }
 }