devexpress图表Chart开发日志-YES开发框架网

Legend设置

控制

chartControl1.Legend.Direction = LegendDirection.LeftToRight;
chartControl1.Legend.AlignmentVertical = LegendAlignmentVertical.TopOutside;
chartControl1.Legend.AlignmentHorizontal = LegendAlignmentHorizontal.Left;

说明：

Direction

LegendDirection.TopToBottom

LegendDirection.BottomToTop

LegendDirection.LeftToRight

LegendDirection.RightToLeft

AlignmentVertical

LegendAlignmentVertical.TopOutside

LegendAlignmentVertical.Top

LegendAlignmentVertical.Center

LegendAlignmentVertical.Bottom

LegendAlignmentVertical.BottomOutside

AlignmentHorizontal

LegendAlignmentHorizontal.LeftOutside

LegendAlignmentHorizontal.Left

LegendAlignmentHorizontal.Center

LegendAlignmentHorizontal.Right

LegendAlignmentHorizontal.RightOutside

标题 Title

C# 全选

DevExpress.XtraCharts.ChartTitle chartTitle1 = new DevExpress.XtraCharts.ChartTitle(); chartTitle1.Font = new System.Drawing.Font("Tahoma", 18F, System.Drawing.FontStyle.Bold);
chartTitle1.Text = "2021年统计图";
chartTitle1.Visibility = DevExpress.Utils.DefaultBoolean.True;
this.chartControl1.Titles.AddRange(new DevExpress.XtraCharts.ChartTitle[] {chartTitle1});

devexpress图表Chart开发日志

隐藏 Legend

C# 全选

this.chartControl1.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;

devexpress图表Chart开发日志

显示Series值 Label

C# 全选

series1.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True;

devexpress图表Chart开发日志

Series值 Label 控制属性

C# 全选

// 显示Label
series2.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True;
// 对齐方式，左对齐，右对齐，居中对齐
series2.Label.TextAlignment = StringAlignment.Center;
// 文本方向,横向，竖向
series2.Label.TextOrientation = TextOrientation.Horizontal;
// Label位置,条形图
(series2.Label as BarSeriesLabel).Position = BarSeriesLabelPosition.Top;

devexpress图表Chart开发日志

示例：

效果图：

代码：

chartControl1.Legend.Direction = LegendDirection.LeftToRight;
chartControl1.Legend.AlignmentVertical = LegendAlignmentVertical.TopOutside;
chartControl1.Legend.AlignmentHorizontal = LegendAlignmentHorizontal.Left;

完整代码：

/// <summary>
/// 显示图表
/// </summary>
private void DoRefreshChart(string category, List<TreeTableModel> data)
{
    chartControl1.Series.Clear();
    List<Series> SeriesList = new List<Series>();
    Series seriesMy = new Series(category, ViewType.Spline);//曲线
    Series seriesAvg = new Series("同行同层平均" + category, ViewType.Spline);//曲线
    Series seriesGood = new Series("同行同层优秀" + category, ViewType.Spline);//曲线

    foreach (var p in data)
    {
        seriesMy.Points.Add(new SeriesPoint(p.Label, p.Value));
        seriesAvg.Points.Add(new SeriesPoint(p.Label, p.ValueAvg));
        seriesGood.Points.Add(new SeriesPoint(p.Label, p.ValueGood));
    }

    SetCommonOption(seriesMy);
    SetCommonOption(seriesAvg);
    SetCommonOption(seriesGood);

    SeriesList.Add(seriesMy);
    SeriesList.Add(seriesAvg);
    SeriesList.Add(seriesGood);

    chartControl1.Series.AddRange(SeriesList.ToArray());

    XYDiagram diagram = (XYDiagram)chartControl1.Diagram;

    diagram.AxisX.Title.Visibility = DevExpress.Utils.DefaultBoolean.False;
    diagram.AxisX.Title.Alignment = StringAlignment.Center;
    diagram.AxisX.Title.Text = "日期";
    diagram.AxisX.Title.EnableAntialiasing = DevExpress.Utils.DefaultBoolean.True;
    diagram.AxisX.Title.Font = new Font("Tahoma", 12, FontStyle.Bold);
    diagram.AxisX.NumericScaleOptions.GridSpacing = 60;
    diagram.AxisX.Label.Visible = true;

    diagram.AxisY.Title.Visibility = DevExpress.Utils.DefaultBoolean.False; ;
    diagram.AxisY.Title.Alignment = StringAlignment.Center;
    diagram.AxisY.Title.Text = "数值";
    diagram.AxisY.Title.EnableAntialiasing = DevExpress.Utils.DefaultBoolean.True; ;
    diagram.AxisY.Title.Font = new Font("Tahoma", 12, FontStyle.Bold);

    chartControl1.Legend.Direction = LegendDirection.LeftToRight;
    chartControl1.Legend.AlignmentVertical = LegendAlignmentVertical.TopOutside;
    chartControl1.Legend.AlignmentHorizontal = LegendAlignmentHorizontal.Left;

}

GarsonZhang www.yesdotnet.com