C# winform chart 画K线及Y轴不能自适应解决方法

最新推荐文章于 2024-08-14 17:47:16 发布

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最新推荐文章于 2024-08-14 17:47:16 发布

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文章标签： C# chart 画K线

本文详细介绍如何使用C#在图表中绘制股票蜡烛图，包括设置图表类型、颜色及从数据表读取并填充价格数据的过程。

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chart1.Series.Clear();
Series price = new Series("price");
chart1.Series.Add(price);
chart1.Series["price"].ChartType = SeriesChartType.Candlestick;
chart1.Series["price"]["PriceUpColor"] = "Red";
chart1.Series["price"]["PriceDownColor"] = "Green";
chart1.Series["price"].XValueType = ChartValueType.DateTime;
for (int i = 0; i < dtKdata.Rows.Count; i++)
{
// adding date and high
chart1.Series["price"].Points.AddXY(DateTime.Parse(dtKdata.Rows[i][0].ToString()), Convert.ToDouble(dtKdata.Rows[i]["最高价"]));
// adding low
chart1.Series["price"].Points[i].YValues[1] = Convert.ToDouble(dtKdata.Rows[i]["最低价"]);
//adding open
chart1.Series["price"].Points[i].YValues[2] = Convert.ToDouble(dtKdata.Rows[i]["开盘价"]);
// adding close
chart1.Series["price"].Points[i].YValues[3] = Convert.ToDouble(dtKdata.Rows[i]["收盘价"]);
}