private void button7_Click(object sender, EventArgs e)
{
MdApi md = MdApi.Instance;
int ret = md.Init("*****@*****.**", "Chs771005", MDMode.MD_MODE_NULL);
if (ret != 0)
{
//登录失败
return;
}
List <MarketIndex> marketindex = md.GetLastNMarketIndex("SHSE.600004", 3);
ShowData(marketindex.OfType <object>().ToList());
}