金融证券系统

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Count Tickers in Watchlist.afl：源码内容

							//------------------------------------------------------------------------------
//
//  Formula Name:    Count Tickers in Watchlist
//  Author/Uploader: Anthony Faragasso 
//  E-mail:          ajf1111@epix.net
//  Date/Time Added: 2003-07-05 09:27:55
//  Origin:          
//  Keywords:        
//  Level:           medium
//  Flags:           showemail,function
//  Formula URL:     http://www.amibroker.com/library/formula.php?id=290
//  Details URL:     http://www.amibroker.com/library/detail.php?id=290
//
//------------------------------------------------------------------------------
//
//  This function will output the number of tickers in a selected watchlist
//
//------------------------------------------------------------------------------
//Count tickers in watchlist function
//Anthony Faragasso
//July 4, 2003
//Single watchlist output
WatchlistNumber=0;//enter watchlist number
function CountTickersInWatchList( Listnum )
{
// retrive comma-separated list of symbols in watch list
list = GetCategorySymbols( categoryWatchlist, listnum );
for( i = 0; ( sym = StrExtract( list, i ) ) != ""; i++ )
{
if( i == 0 ) i = 0;
else i = i ;
}
return i; 
}
Filter=1;
AddColumn(CountTickersInWatchList( WatchlistNumber),"Watchlist #"+WriteVal(watchlistnumber,1),1);

						