Guilherme Morais

 C# | 
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01
  foreach (Acao acao in lista)
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          {
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              StockPointList stock = new StockPointList();
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              PointPairList stockLinha = new PointPairList();
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              double prevClose = 0;
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              foreach (Cotacao cotacao in acao.Cotacoes)
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              {
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                  stockLinha.Add(new XDate(cotacao.date), cotacao.close);
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                  StockPt pt = new StockPt(new XDate(cotacao.date),
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                                                      cotacao.high, cotacao.low,
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                                   cotacao.open, cotacao.close, cotacao.vol);
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                  pt.ColorValue = cotacao.close > prevClose ? 2 : 1;
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                  stock.Add(pt);
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                  prevClose = cotacao.close;
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              }
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              ...
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          }
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Barra Vertigal in zedgraph

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1
    LineObj myLine = new LineObj( Color.Black, 2.3, 0, 2.3, 1 );
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    myLine.Location.CoordinateFrame = CoordType.XScaleYChartFraction;
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    myLine.Line.Width = 2.0f;
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    myPane.GraphObjList.Add( myLine );