DevExpress.XtraCharts.chartControl

Using System; Using System.Collections.Generic; Using System.ComponentModel; Using System.Data; Using System.Drawing; Using System.Text; Using System.Windows.Forms; Using Devexpress.xtracharts;

namespace Chartcontrol {public partial class Form1:form {public Form1 () {Initiali         Zecomponent (); }

        private dictionary<string, double> chartpiedatadic = new Dictionary <string, double> ();         private dictionary<string, double> chartbardatadic = new Dictionary <string, double> ();         private void Form1_Load (object sender, EventArgs e)          {            Combobox1.selectedindex = 0;             Initpiechartdata ();             Initbarchartdata ();            Showpie ();             } private void Showpie () {charttitle title = new ChartTitle (); Title. Text = "Provincial Traffic Analysis pie chart-traffic type distribution";

ChartControl1.Titles.Clear (); CHARTCONTROL1.TITLES.ADD (title);

Series Series1 = new series ("Traffic Type", Viewtype.pie); ((piepointoptions) series1. pointoptions). Pointview = pointview.argumentandvalues;

foreach (keyvaluepair<string, double> keyvalue in Chartpiedatadic) {series1. Points.Add (New Seriespoint (keyvalue. Key, new double[] {keyvalue.             Value})); }

 chartcontrol1.series.clear ();             ChartControl1.Series.Add (series1);        }         private void Initpiechartdata ()         {             try             {                 Chartpiedatadic.add ("Dalian", 0.2);                 Chartpiedatadic.add ( "Shenyang", 0.26);                 Chartpiedatadic.add ( "Jinzhou", 0.15);                 Chartpiedatadic.add ( "Panjin", 0.15);                 Chartpiedatadic.add ("Benxi", 0.1);                 Chartpiedatadic.add ( "Fushun", 0.12);                 Chartpiedatadic.add ( "Yingkou", 0.02);            }              catch {}        }          private void Initbarchartdata ()         {             try             {                 Chartbardatadic.add ( "2001", 0.05);                 Chartbardatadic.add ( "2002 ", 0.02);                 Chartbardatadic.add ( "2003", 0.08);                 Chartbardatadic.add ( "2004", 0.15);                 Chartbardatadic.add ( "2005", 0.1);                 Chartbardatadic.add ( "2006", 0.3);                 Chartbardatadic.add ( "2007", 0.2);                 Chartbardatadic.add ( "2008", 0.1);            }              catch {}        }          PRivate void ComboBox1_SelectedIndexChanged (object sender, EventArgs e)         {             if (comboBox1.Text.IndexOf ("pie chart")! =-1)              {                 Showpie ();            }              Else if (comboBox1.Text.IndexOf ("bar chart")! =-1)              {                 Showbar ();            }              Else if (comboBox1.Text.IndexOf ("line chart")! =-1)              {                ShowLine ();            }              Else if (comboBox1.Text.IndexOf ("dot graph")! =-1)              {                 Showpoint ();            }        }

private void Showbar () {try {charttitle title = new ChartTitle (); Title. Text = "The statistical analysis of the growth rate of the urban network element";

ChartControl1.Titles.Clear (); CHARTCONTROL1.TITLES.ADD (title);

                Series Series2 = new Series ("Dalian", Viewtype.bar);                 Series series3 = new Series ("Shenyang", Viewtype.bar);                 Series series4 = new Series ("Benxi", Viewtype.bar);                 foreach (KeyValuePair <string, double> kvp in Chartbardatadic)                  {                     Series2. Points.Add (New Seriespoint (KVP. Key, new double[] {kvp. Value}));                      Series3. Points.Add (New SerIespoint (KVP. Key, new double[] {kvp. Value + 0.08});                      SERIES4. Points.Add (New Seriespoint (KVP. Key, new double[] {kvp. Value + 0.02});                }

ChartControl1.Series.Clear ();                 CHARTCONTROL1.SERIES.ADD (Series2);                 CHARTCONTROL1.SERIES.ADD (SERIES3); CHARTCONTROL1.SERIES.ADD (SERIES4);

chartControl1.Legend.Visible = true;//Display label (next to the label which color represents which city)} catch {}}

private void ShowLine () {charttitle title = new ChartTitle (); Title.             Text = "line graph";             ChartControl1.Titles.Clear (); CHARTCONTROL1.TITLES.ADD (title);

Series Series1 = new series ("Liaoning", Viewtype.line); Series1. Argumentscaletype = scaletype.numerical;

            series1. Points.Add (New Seriespoint (1, new double[] {10}));             series1. Points.Add (New Seriespoint (2, new double[] {12}));             series1. Points.Add (New Seriespoint (3, new double[] {14}));             series1. Points.Add (New Seriespoint (4, new double[] {17}));             series1. Points.Add (New Seriespoint (5, new double[] {21}));             series1. Points.Add (New Seriespoint (6, new double[] {26}));             series1. Points.Add (New Seriespoint (7, new double[] {29}));             series1. Points.Add (New Seriespoint (8, New double[] {30});

((Pointseriesview) series1. View). Pointmarkeroptions.kind = Markerkind.triangle;

Series Series2 = new series ("Shandong", Viewtype.line); series2. Argumentscaletype = scaletype.numerical; This sentence must have, otherwise the dot cannot draw out.             ((Lineseriesview) Series2. View). Linestyle.dashstyle = Dashstyle.dashdotdot;             Series2. Points.Add (New Seriespoint (1, new double[] {4}));             Series2. Points.Add (New Seriespoint (2, new double[] {14}));             Series2. Points.Add (New Seriespoint (3, new double[] {17}));             Series2. Points.Add (New Seriespoint (4, new double[] {22}));             Series2. Points.Add (New Seriespoint (5, new double[] {20}));             Series2. Points.Add (New Seriespoint (6, new double[] {15}));             Series2. Points.Add (New Seriespoint (7, new double[] {18}));             Series2. Points.Add (New Seriespoint (8, new double[] {11}));

((Pointseriesview) Series2. View). Pointmarkeroptions.kind = Markerkind.cross;

ChartControl1.Series.Clear ();             CHARTCONTROL1.SERIES.ADD (SERIES1);             CHARTCONTROL1.SERIES.ADD (Series2);         ChartControl1.Legend.Visible = true; }private void Showpoint () {charttitle title = new ChartTitle (); Title.             Text = "point graph";             ChartControl1.Titles.Clear (); CHARTCONTROL1.TITLES.ADD (title);

Series Series1 = new Series ("Number of people on the line", Viewtype.point); Series1. Argumentscaletype = scaletype.numerical;

            series1. Points.Add (New Seriespoint (1, new double[] {20}));             series1. Points.Add (New Seriespoint (2, new double[] {12}));             series1. Points.Add (New Seriespoint (3, new double[] {11}));             series1. Points.Add (New Seriespoint (4, new double[] {17}));             series1. Points.Add (New Seriespoint (5, new double[] {21}));             series1. Points.Add (New Seriespoint (6, new double[] {21}));             series1. Points.Add (New Seriespoint (7, new double[] {29}));             series1. Points.Add (New Seriespoint (8, New double[] {30});

((Pointseriesview) series1. View). Pointmarkeroptions.kind = Markerkind.triangle;

Series Series2 = new Series ("Number of downline", viewtype.point); Series2. Argumentscaletype = scaletype.numerical; This sentence must have, otherwise the dot cannot draw out.

            Series2. Points.Add (New Seriespoint (1, new double[] {4}));             Series2. Points.Add (New Seriespoint (2, new double[] {14}));             Series2. Points.Add (New Seriespoint (3, new double[] {17}));             Series2. Points.Add (New Seriespoint (4, new double[] {22}));             Series2. Points.Add (New Seriespoint (5, new double[] {20}));             Series2. Points.Add (New Seriespoint (6, new double[] {15}));             Series2. Points.Add (New Seriespoint (7, new double[] {18}));             Series2. Points.Add (New Seriespoint (8,New double[] {11});

((Pointseriesview) Series2. View). Pointmarkeroptions.kind = Markerkind.cross;

ChartControl1.Series.Clear ();             CHARTCONTROL1.SERIES.ADD (SERIES1);             CHARTCONTROL1.SERIES.ADD (Series2);         ChartControl1.Legend.Visible = true; }     } }

DevExpress.XtraCharts.chartControl