C# Charting.Legend类代码示例

        private void GenerateChart(SeriesCreator creator, string filePath)
        {
            IEnumerable<Series> serieses = creator.ToSerieses();

            using (var ch = new Chart())
            {
                ch.Size = new Size(1300, 800);
                ch.AntiAliasing = AntiAliasingStyles.All;
                ch.TextAntiAliasingQuality = TextAntiAliasingQuality.High;
                ch.Palette = ChartColorPalette.BrightPastel;

                ChartArea area = new ChartArea();
                area.AxisX.MajorGrid.Enabled = false;
                area.AxisY.MajorGrid.Enabled = false;
                area.AxisY.Minimum = creator.GetMinimumY();
                ch.ChartAreas.Add(area);

                Legend legend = new Legend();
                legend.Font = new Font("Microsoft Sans Serif", 12, FontStyle.Regular);
                ch.Legends.Add(legend);

                foreach (var s in serieses)
                {
                    ch.Series.Add(s);
                }

                string savePath = filePath + ".png";
                ch.SaveImage(savePath, ChartImageFormat.Png);
            }
        }

        public Form1()
        {
            InitializeComponent();
            creationBox.BringToFront();
            initLegend = chart1.Legends[0];

            this.Text = "Assistant aux QCMs - ";

            restart.Visible = false;

            toolTip.SetToolTip(saveChart, "Cliquer pour sauvegarder en image");
            saveChart.Visible = false;
            toolTip.SetToolTip(zoomChart, "Cliquer pour mettre en plein écran");
            zoomChart.Visible = false;
            toolTip.SetToolTip(showLegend, "Cliquer pour cacher/montrer la légende");
            showLegend.Visible = false;

            notes.Visible = false;
            notesBox.Visible = false;

            date.Text = "";
            currentPage = 1;
            labels = new Label[] { label1, label2, label3, label4, label5 };
            checkedList = new CheckedListBox[] { checkedListBox1, checkedListBox2, checkedListBox3, checkedListBox4, checkedListBox5 };
            for (int i = 0; i < 5; i++)
            {
                checkedList[i].Items.Clear();
                checkedList[i].Items.Add("Pas du tout d'accord");
                checkedList[i].Items.Add("Pas d'accord");
                checkedList[i].Items.Add("D'accord");
                checkedList[i].Items.Add("Tout à fait d'accord");
            }

            chart1.Visible = false;
        }

        /* Adds one tab containing a chart to this.progressTabControl for each member in chartName.
         * Returns a list of the added charts.
         */
        private List<Chart> AddChartsToProgressControl(List<string> chartNames)
        {
            int i = 0;
            List<Chart> charts = new List<Chart>();

            foreach (string chartName in chartNames)
            {
                Legend legend = new Legend();
                legend.Name = "legend";
                legend.Docking = Docking.Right;

                ChartArea ca = new ChartArea();
                ca.Name = "chartArea";

                Chart chart = new Chart();
                chart.Legends.Add(legend);
                chart.ChartAreas.Add(ca);
                chart.Name = chartName;
                chart.Dock = DockStyle.Fill;
                chart.Text = chartName;

                TabPage tPage = new TabPage();
                tPage.Name = chartName;
                tPage.Text = chartName;
                tPage.Controls.Add(chart);

                this.progressTabControl.Controls.Add(tPage);

                charts.Add(chart);

                i++;
            }
            return charts;
        }

        public PrettyChart()
        {
            var title1 = new Title {Name = "Title1", Text = "<TITLE>"};
            Titles.Add(title1);

            var area = new ChartArea();
            area.AxisY.LabelStyle.Enabled = true;
            area.AxisY.Interval = 1.0;
            area.AxisX.LabelStyle.Enabled = true;
            area.Name = "ChartArea2";

            var legend1 = new Legend {Alignment = StringAlignment.Center, Docking = Docking.Top, Name = "Legend1"};
            Legends.Add(legend1);

            var series2 = new Series
                              {
                                  ChartArea = "ChartArea2",
                                  Color = Color.Blue,
                                  Legend = "Legend1",
                                  Name = "Series2",
                                  XValueType = ChartValueType.Int32
                              };

            ChartAreas.Add(area);
            Series.Add(series2);
            Dock = DockStyle.Fill;
            Location = new Point(0, 0);

            Titles[0].Text = "Age Distribution";
            Series[0].Name = "Number of People";
        }

        private Chart CreatePieChart(Legend legend, Title title, Dictionary<string, int> dpc)
        {
            var chart = new Chart();
            chart.Size = new Size(600, 450);
            chart.Titles.Add(title);
            var chartArea = new ChartArea();

            chart.ChartAreas.Add(chartArea);

            var series = new Series();
            series.Name = "series";
            series.ChartType = SeriesChartType.Pie;

            //chart.Legends.Add(legend);
            chart.Series.Add(series);

            foreach (var entry in dpc)
            {
                if(entry.Value > 0)
                    chart.Series["series"].Points.AddXY(entry.Key, entry.Value);
            }

            chart.Dock = DockStyle.Fill;
            return chart;
        }

        public void InitializeChart()
        {
            this.components = new System.ComponentModel.Container();
            ChartArea chartArea1 = new ChartArea();
            Legend legend1 = new Legend() { BackColor = Color.Green, ForeColor = Color.Black, Title = "Salary" };
            Legend legend2 = new Legend() { BackColor = Color.Green, ForeColor = Color.Black, Title = "Salary" };
            barChart = new Chart();

            ((ISupportInitialize)(barChart)).BeginInit();

            SuspendLayout();
            //====Bar Chart
            chartArea1 = new ChartArea();
            chartArea1.Name = "BarChartArea";
            barChart.ChartAreas.Add(chartArea1);
            barChart.Dock = System.Windows.Forms.DockStyle.Fill;
            legend2.Name = "Legend3";
            barChart.Legends.Add(legend2);

            AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            //this.ClientSize = new System.Drawing.Size(284, 262);
            this.Load += new EventHandler(Form3_Load);
            ((ISupportInitialize)(this.barChart)).EndInit();
            this.ResumeLayout(false);
        }

        private void Init()
        {
            ChartArea chartArea = new ChartArea();
            Legend legend = new Legend();
            ((System.ComponentModel.ISupportInitialize)(this)).BeginInit();

            chartArea.Name = "ChartArea1";
            this.ChartAreas.Add(chartArea);
            legend.Name = "Legend1";
            this.Legends.Add(legend);

            Series.Clear();
            m_series = new Series
            {
                Name = "Series1",
                Color = System.Drawing.Color.Green,
                IsVisibleInLegend = false,
                IsXValueIndexed = true,
                ChartType = SeriesChartType.Line
            };
            Series.Add(m_series);

            for (int i = 10; i < 23; i++)
            {
                m_series.Points.AddXY(i, f(i));
            }
        }

        public override void graphView()
        {
            //MessageBox.Show("ypDayo");

            base.chartClear();
            base.graphView();

            

            ChartArea area = new ChartArea("area1");
            
            area.AxisX.Title = "月";
            area.AxisX.TitleFont = new Font("@ＭＳ ゴシック", 10, FontStyle.Bold);

            area.AxisY.Title = "金額";
            area.AxisY.TitleFont = new Font("@ＭＳ ゴシック", 10, FontStyle.Bold);
            area.AxisY.TitleAlignment = StringAlignment.Far;
            area.AxisY.TextOrientation = TextOrientation.Stacked;

            graph.Titles.Add(date.Year + "年");

            area.AxisX.MajorGrid.Enabled = false;
            area.AxisY.MajorGrid.Enabled = false;
            graph.ChartAreas.Add(area);

            Legend leg = new Legend(date.Year.ToString());
            leg.Alignment = StringAlignment.Near;
            leg.DockedToChartArea = "area1";
            
            //一つ目
            setSeries(date.Year);
            //比較用
            dateCombo.Text = string.IsNullOrWhiteSpace(dateCombo.Text) ? "未選択" : dateCombo.Text;
            if (dateCombo.Text != "未選択")
            {
                
                
                string select = dateCombo.SelectedItem.ToString();

                setSeries(int.Parse(select));
                dateCombo.SelectedIndexChanged -= DateCombo_SelectedIndexChanged;
                dateCombo.Text = select;
                
            }
            


            area.AxisY.Maximum = double.NaN;

            area.AxisX.Maximum = 12;
            area.AxisX.Minimum = 0;
            area.AxisX.Interval = 1;

            double max = area.AxisY.Maximum;

            area.AxisY.Interval = max / 10;
        }

        private static void CreatePlotAndSave(TestItem testItem)
        {
            // Create a Chart
            var chart = new Chart();

            // Chart title
            var chartTitle = new Title(testItem.Label);
            chart.Titles.Add(chartTitle);

            // Create Chart Area
            ChartArea chartArea = new ChartArea();
            chartArea.AxisX.Title = "Milestone title";
            chartArea.AxisY.Title = "ms";
            chartArea.AxisX.IsMarginVisible = false;

            for (int i = 0; i < testItem.MilestoneLabels.Length;i++)
            {
                chartArea.AxisX.CustomLabels.Add(i + 0.5, i + 1.5, testItem.MilestoneLabels[i]);
            }

            // Legend
            Legend legend = new Legend("default");
            legend.Docking = Docking.Bottom;
            chart.Legends.Add(legend);

            // Add Chart Area to the Chart
            chart.ChartAreas.Add(chartArea);

            foreach (var line in testItem.Lines)
            {
                Series series = new Series();
                series.Legend = "default";
                series.LegendText = line.Label;
                series.ChartType = SeriesChartType.Line;
                series.MarkerStyle = MarkerStyle.Circle;
                series.BorderWidth = 2;
                series.MarkerSize = 5;
                for (int i = 0; i < line.Points.Length; i++)
                {
                    series.Points.Add(line.Points[i].GetMinTime());
                }
                chart.Series.Add(series);
            }

            // Set chart control location
            chart.Location = new System.Drawing.Point(16, 48);

            // Set Chart control size
            chart.Size = new System.Drawing.Size(400, 300);
            var fileName = GenerateFileName(testItem);
            var file = new FileStream(fileName, FileMode.Create);
            chart.SaveImage(file, ChartImageFormat.Png);
            file.Close();

            Console.WriteLine(String.Format("Report: \"{0}\" created.", fileName));
        }

        public static void AddLegend(Chart chart, LegendStyle style)
        {
            var legend = new Legend();
            legend.Enabled = true;
            legend.LegendStyle = style;
            legend.Name = "MyLegend";
            legend.Position.Auto = true;

            chart.Legends.Add(legend);
        }

 private void AddLegend(Chart chart)
 {
     var legend = new Legend
     {
         Docking = Docking.Right,
         Alignment = StringAlignment.Center,
         Font = new Font("Arial", 7f),
     };
     chart.Legends.Add(legend);
 }

        private void BuildChartPie()
        {
            ChartArea chartArea1 = new ChartArea();
            chartArea1.Area3DStyle.IsClustered = true;
            chartArea1.Area3DStyle.IsRightAngleAxes = false;
            chartArea1.Area3DStyle.Perspective = 10;
            chartArea1.Area3DStyle.PointGapDepth = 0;
            chartArea1.Area3DStyle.Rotation = 0;
            chartArea1.Area3DStyle.WallWidth = 0;
            chartArea1.AxisX.LabelStyle.Font = new System.Drawing.Font("Trebuchet MS", 8.25F, System.Drawing.FontStyle.Bold);
            chartArea1.AxisX.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.AxisX.MajorGrid.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.AxisY.LabelStyle.Font = new System.Drawing.Font("Trebuchet MS", 8.25F, System.Drawing.FontStyle.Bold);
            chartArea1.AxisY.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.AxisY.MajorGrid.LineColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.BackColor = System.Drawing.Color.Transparent;
            chartArea1.BackSecondaryColor = System.Drawing.Color.Transparent;
            chartArea1.BorderColor = System.Drawing.Color.FromArgb(((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))), ((int)(((byte)(64)))));
            chartArea1.BorderWidth = 0;
            chartArea1.Name = "Default";
            chartArea1.ShadowColor = System.Drawing.Color.Transparent;
            this.chartPie.ChartAreas.Add(chartArea1);

            Legend legend1 = new Legend();
            legend1.Alignment = System.Drawing.StringAlignment.Center;
            legend1.BackColor = System.Drawing.Color.Transparent;
            legend1.Docking = Docking.Bottom;
            legend1.Enabled = true;
            legend1.Font = new System.Drawing.Font("Trebuchet MS", 8.25F, System.Drawing.FontStyle.Bold);
            legend1.IsTextAutoFit = true;
            legend1.Name = "Default";
            this.chartPie.Legends.Add(legend1);

            Title title1 = new Title();
            title1.Font = new System.Drawing.Font("Trebuchet MS", 14.25F, System.Drawing.FontStyle.Bold);
            title1.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(26)))), ((int)(((byte)(59)))), ((int)(((byte)(105)))));
            title1.Name = "Title";
            title1.ShadowColor = System.Drawing.Color.FromArgb(((int)(((byte)(32)))), ((int)(((byte)(0)))), ((int)(((byte)(0)))), ((int)(((byte)(0)))));
            title1.ShadowOffset = 3;
            title1.Text = "销量前十的产品统计饼图";
            this.chartPie.Titles.Add(title1);

            Series series1 = new Series();
            series1.BorderColor = System.Drawing.Color.FromArgb(((int)(((byte)(180)))), ((int)(((byte)(26)))), ((int)(((byte)(59)))), ((int)(((byte)(105)))));
            series1.ChartArea = "Default";
            series1["PieLabelStyle"] = "Outside";
            series1["PieDrawingStyle"] = "Concave";
            series1.ChartType = SeriesChartType.Pie;
            series1.Color = System.Drawing.Color.FromArgb(((int)(((byte)(220)))), ((int)(((byte)(65)))), ((int)(((byte)(140)))), ((int)(((byte)(240)))));
            series1.Legend = "Default";
            series1.Name = "Default";
            this.chartPie.Series.Add(series1);
        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            System.Windows.Forms.DataVisualization.Charting.ChartArea chartArea1 = new System.Windows.Forms.DataVisualization.Charting.ChartArea();
            System.Windows.Forms.DataVisualization.Charting.Legend legend1 = new System.Windows.Forms.DataVisualization.Charting.Legend();
            this.MonitorGrap = new System.Windows.Forms.DataVisualization.Charting.Chart();
            this.btnClose = new System.Windows.Forms.Button();
            ((System.ComponentModel.ISupportInitialize)(this.MonitorGrap)).BeginInit();
            this.SuspendLayout();
            // 
            // MonitorGrap
            // 
            this.MonitorGrap.BorderlineColor = System.Drawing.Color.Black;
            this.MonitorGrap.BorderlineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Solid;
            chartArea1.Name = "ChartArea1";
            this.MonitorGrap.ChartAreas.Add(chartArea1);
            legend1.Name = "Legend1";
            this.MonitorGrap.Legends.Add(legend1);
            this.MonitorGrap.Location = new System.Drawing.Point(12, 11);
            this.MonitorGrap.Name = "MonitorGrap";
            this.MonitorGrap.Size = new System.Drawing.Size(837, 280);
            this.MonitorGrap.TabIndex = 0;
            this.MonitorGrap.Text = "chart1";
            // 
            // btnClose
            // 
            this.btnClose.Location = new System.Drawing.Point(774, 298);
            this.btnClose.Name = "btnClose";
            this.btnClose.Size = new System.Drawing.Size(75, 28);
            this.btnClose.TabIndex = 1;
            this.btnClose.Tag = "Common_Close";
            this.btnClose.Text = "Close";
            this.btnClose.UseVisualStyleBackColor = true;
            this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
            // 
            // FrmServerMonitor
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.BackColor = System.Drawing.Color.White;
            this.ClientSize = new System.Drawing.Size(880, 339);
            this.Controls.Add(this.btnClose);
            this.Controls.Add(this.MonitorGrap);
            this.Name = "FrmServerMonitor";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
            this.Text = "ServerMonitor";
            this.Load += new System.EventHandler(this.frmServerMonitor_Load);
            ((System.ComponentModel.ISupportInitialize)(this.MonitorGrap)).EndInit();
            this.ResumeLayout(false);

        }

        private void GenerarReporte(List<Cita> list_citas, DateTime desde, DateTime hasta)
        {
            int i = 0; int j = 1; int iguales = 0;
            this.chtGrafico.Titles.Clear();
            this.chtGrafico.Legends.Clear();
            this.chtGrafico.Series.Clear();
            this.chtGrafico.Titles.Add(" Reportes Pacientes Atendidos - Generado el día: " + DateTime.Now + " " + System.Environment.NewLine + " " + System.Environment.NewLine + "Desde el día " + desde + " hasta el día " + hasta);
            ArrayList list_iguales = new ArrayList();
            foreach (Cita cita in list_citas)
            {
                this.list_fechas.Add(cita.Fecha);
            }
            SortedSet<DateTime> set = new SortedSet<DateTime>(list_fechas);

            foreach (DateTime val in set)
            {
                iguales = 0;
                foreach (Cita cita in list_citas)
                {
                    if (cita.Fecha == val)
                    {
                        ++iguales;
                    }
                }
                list_iguales.Add(iguales);
            }
            
            int x = list_fechas.Count;
            int y = set.Count;
            foreach (DateTime val in set)
            {
                Series serie = new Series();
                Legend legend = new Legend();
                serie.Legend = val.ToString();
                legend.Name = "Hora-" + val;
                legend.Title = "Horas de Atención";
                this.chtGrafico.Legends.Add(legend);
                this.chtGrafico.Series.Add(val.ToString());
                this.chtGrafico.Series[i].Points.AddXY(j,list_iguales[i]);
                this.chtGrafico.Series[i].ChartType = SeriesChartType.Bar;
                this.chtGrafico.Series[i]["PointWidth"] = "0.6";
                this.chtGrafico.Series[i].IsValueShownAsLabel = true;
                this.chtGrafico.Series[i]["BarLabelStyle"] = "Center";
                this.chtGrafico.Series[i]["DrawingStyle"] = "Emboss";
                ++i;++j;
            }
            chtGrafico.Update();
            chtGrafico.UpdateAnnotations();
            MessageBox.Show("Registro total de pacientes atendidos: " + list_citas.Count + "." + " " + System.Environment.NewLine + " " + System.Environment.NewLine + "Desde el día " + desde + " hasta el día " + hasta, "SFH Administración de Reportes y Estadísticas - Reportes de Pacientes", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        public Bitmap Show_MSChart()
        {
            try
            {
                if (!Check_Chart())
                    return null;

                ChartArea chartArea = new ChartArea("chartArea");
                Grid grid = new Grid();
                grid.LineDashStyle = ChartDashStyle.Solid;
                grid.LineColor = Color.Black;

                Legend lengend = new Legend();
                lengend.Docking = Docking.Right;

                chartArea.AxisX.MajorGrid = grid;
                chartArea.AxisY.MajorGrid = grid;
                chartArea.AxisX.Interval = 1;
                chartArea.AxisX.IsLabelAutoFit = false;
                chartArea.BackColor = Color.FromArgb(0xEF, 0xEF, 0xEF);

                Series series = new Series("危险度");
                series.ChartType = SeriesChartType.Column;
                //series.IsValueShownAsLabel = true;
                series.Color = dataColor;
                series.BorderWidth = 0;

                SmartLabelStyle smartLabelStyle = new SmartLabelStyle();
                smartLabelStyle.AllowOutsidePlotArea = LabelOutsidePlotAreaStyle.Yes;
                series.SmartLabelStyle = smartLabelStyle;

                series.Points.DataBindXY(dataTable.DefaultView, dataX, dataTable.DefaultView, dataY);
                Chart chart = new Chart();
                chart.Width = width;
                chart.Height = height;
                chart.ChartAreas.Add(chartArea);
                chart.Series.Add(series);
                chart.Legends.Add(lengend);

                MemoryStream memoryStream = new MemoryStream();
                chart.SaveImage(memoryStream, ChartImageFormat.Jpeg);

                Bitmap bitmap = new Bitmap(memoryStream);
                return bitmap;
            }
            catch (Exception ex)
            {
                return null;
            }
        }