标题：[讨论]金字塔能做期货会员持仓分析！

#Run_By_Bar 
#nodefaultoutput           
extern 'http://www.hs633.com/fmldll/Position.zip'
double Position.Grabber.LongVolSum(LPCWSTR name,
         LPCWSTR contract,
         double t,
         int n,              
         int barpos, 
         int dataCount); 
extern 'Position.dll'
double Position.Grabber.ShortVolSum(LPCWSTR name,
         LPCWSTR contract,
         double t,
         int n,              
         int barpos, 
         int dataCount); 
extern 'Position.dll' LPCWSTR  Position.Grabber.QueryUrl(LPCWSTR name,
         LPCWSTR contract,
         double t);
         
        
variable:NumericSimple ID (-1); 
ShowTips('正在更新数据 '+BarPos/DataCount*100 + '%');                       
前20会员多单总量 : LongVolSum(MarketLabel+StkName,
         MainContract(date),
         date,
         0,
         BarPos,
         DataCount),ColorRed;
前20会员空单总量 : ShortVolSum(MarketLabel+StkName,
                               MainContract(date),
          date,
          0,
          BarPos,
          DataCount),ColorGreen;
前20会员净持仓:前20会员多单总量 - 前20会员空单总量,BarStack;

// 以下方便连接到中金所数据
if ID < 0 and BarPos == DataCount then begin
 ID = Text_New(date, 0, 0, 62, true);
 Text_SetToolTips(ID, '链接交易所\r\n查看数据'); 
 Text_SetUrl(ID, QueryUrl(MarketLabel+StkName,
         MainContract(date),
         date));
 Text_SetStyle(ID, 4,3); 
end