public override string ToString()
{
var sb = new StringBuilder();
sb.AppendFormat(@"ID与名称：{0} {1}
物理目录：{2}
绑定域名：{3}
程序池名：{4}
站点状态：{5}
日志目录：{6}
连接超时：{7}秒
定时回收：{8}
预加载：{9}
", Id, Name, Dir, Bindings, PoolName, StateText, LogDir,
ConnectionTimeOut.ToString(), GcTimeStr, Preload ? "启用" : "禁用");
return(sb.ToString());
}
// Event raiser
protected virtual void OnConnectionTimeOut()
{
ConnectionTimeOut?.Invoke(this, EventArgs.Empty);
}