Description of dummzeuch.de chart for Delphi 7 and Kylix 3 :
TdzXYChart can draw a two dimensional chart using different formats for lines and points. It automatically scales the axes. It can also draw a bar chart. The number of data series containing the values is virtually unlimited. A special chart type called ctAlternateLine allows to have lines from -infinity to +infinity (think quality control charts). The point styles psUpArrow and psDownArror allow to mark specific points with an up or down arrow. New in version 2.1.0 is the ability to draw multi value data series as High/Low, High/Low/Open/Close and Candle charts.
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