//刷新好友列表
private void RefreshFriendList()
{
object target = this.lstOnline.SelectedItem;
this.lstOnline.Items.Clear();
this.lstUsers.Items.Clear();
//请求获取好友列表
WebServiceMessage.Friends[] friends = WsMessage.GetFriendList();
WebServiceMessage.WSMessage wsm = new WebServiceMessage.WSMessage();
//遍历添加用户
foreach (var f in friends)
{
this.lstUsers.Items.Add(f.FriendName);//第一个ListBox显示全部好友
if (wsm.IsOnline(f.FriendName))
{
this.lstOnline.Items.Add(f.FriendName);//第二个显示在线好友
}
}
if (target != null)
{
if (this.lstOnline.Items.Contains(target))
{
this.lstOnline.SelectedItem = target;
}
}
}
