Custom Symbols

[ASP.NET - VB Version] NetWebCharts\VBNetASP\customsymbolline.aspx
(Click here on how to convert this code to Visual Studio code-behind style.)

<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<script runat="server">

'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

    ' The data for the chart
    Dim data0() As Double = {600, 800, 1200, 1500, 1800, 1900, 2000, 1950}
    Dim data1() As Double = {300, 450, 500, 1000, 1500, 1600, 1650, 1600}

    ' The labels for the chart
    Dim labels() As String = {"1995", "1996", "1997", "1998", "1999", "2000", _
        "2001", "2002"}

    ' Create a XYChart object of size 450 x 250 pixels, with a pale yellow (0xffffc0)
    ' background, a black border, and 1 pixel 3D border effect.
    Dim c As XYChart = New XYChart(450, 250, &Hffffc0, 0, 1)

    ' Set the plotarea at (60, 45) and of size 360 x 170 pixels, using white
    ' (0xffffff) as the plot area background color. Turn on both horizontal and
    ' vertical grid lines with light grey color (0xc0c0c0)
    c.setPlotArea(60, 45, 360, 170, &Hffffff, -1, -1, &Hc0c0c0, -1)

    ' Add a legend box at (60, 20) (top of the chart) with horizontal layout. Use 8
    ' pts Arial Bold font. Set the background and border color to Transparent.
    c.addLegend(60, 20, False, "Arial Bold", 8).setBackground(Chart.Transparent)

    ' Add a title to the chart using 12 pts Arial Bold/white font. Use a 1 x 2 bitmap
    ' pattern as the background.
    c.addTitle("Information Resource Usage", "Arial Bold", 12, &Hffffff _
        ).setBackground(c.patternColor(New Integer() {&H000040, &H000080}, 2))

    ' Set the labels on the x axis
    c.xAxis().setLabels(labels)

    ' Reserve 8 pixels margins at both side of the x axis to avoid the first and last
    ' symbols drawing outside of the plot area
    c.xAxis().setMargin(8, 8)

    ' Add a title to the y axis
    c.yAxis().setTitle("Population")

    ' Add a line layer to the chart
    Dim layer As LineLayer = c.addLineLayer2()

    ' Add the first line using small_user.png as the symbol.
    layer.addDataSet(data0, &Hcf4040, "Users").setDataSymbol2(Server.MapPath( _
        "small_user.png"))

    ' Add the first line using small_computer.png as the symbol.
    layer.addDataSet(data1, &H40cf40, "Computers").setDataSymbol2(Server.MapPath( _
        "small_computer.png"))

    ' Set the line width to 3 pixels
    layer.setLineWidth(3)

    ' Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG)

    ' Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", _
        "title='Number of {dataSetName} at {xLabel}: {value}'")

End Sub

</script>
<html>
<body>
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>

[ASP.NET - C# Version] NetWebCharts\CSharpASP\customsymbolline.aspx
(Click here on how to convert this code to Visual Studio code-behind style.)

<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<script runat="server">

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    // The data for the chart
    double[] data0 = {600, 800, 1200, 1500, 1800, 1900, 2000, 1950};
    double[] data1 = {300, 450, 500, 1000, 1500, 1600, 1650, 1600};

    // The labels for the chart
    string[] labels = {"1995", "1996", "1997", "1998", "1999", "2000", "2001", "2002"
        };

    // Create a XYChart object of size 450 x 250 pixels, with a pale yellow
    // (0xffffc0) background, a black border, and 1 pixel 3D border effect.
    XYChart c = new XYChart(450, 250, 0xffffc0, 0, 1);

    // Set the plotarea at (60, 45) and of size 360 x 170 pixels, using white
    // (0xffffff) as the plot area background color. Turn on both horizontal and
    // vertical grid lines with light grey color (0xc0c0c0)
    c.setPlotArea(60, 45, 360, 170, 0xffffff, -1, -1, 0xc0c0c0, -1);

    // Add a legend box at (60, 20) (top of the chart) with horizontal layout. Use 8
    // pts Arial Bold font. Set the background and border color to Transparent.
    c.addLegend(60, 20, false, "Arial Bold", 8).setBackground(Chart.Transparent);

    // Add a title to the chart using 12 pts Arial Bold/white font. Use a 1 x 2
    // bitmap pattern as the background.
    c.addTitle("Information Resource Usage", "Arial Bold", 12, 0xffffff
        ).setBackground(c.patternColor(new int[] {0x000040, 0x000080}, 2));

    // Set the labels on the x axis
    c.xAxis().setLabels(labels);

    // Reserve 8 pixels margins at both side of the x axis to avoid the first and
    // last symbols drawing outside of the plot area
    c.xAxis().setMargin(8, 8);

    // Add a title to the y axis
    c.yAxis().setTitle("Population");

    // Add a line layer to the chart
    LineLayer layer = c.addLineLayer2();

    // Add the first line using small_user.png as the symbol.
    layer.addDataSet(data0, 0xcf4040, "Users").setDataSymbol2(Server.MapPath(
        "small_user.png"));

    // Add the first line using small_computer.png as the symbol.
    layer.addDataSet(data1, 0x40cf40, "Computers").setDataSymbol2(Server.MapPath(
        "small_computer.png"));

    // Set the line width to 3 pixels
    layer.setLineWidth(3);

    // Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG);

    // Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "",
        "title='Number of {dataSetName} at {xLabel}: {value}'");
}

</script>
<html>
<body>
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\customsymbolline.vb

Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector

Public Class customsymbolline
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "Custom Symbols"
    End Function

    'Number of charts produced in this demo module
    Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
        Return 1
    End Function

    'Main code for creating chart.
    'Note: the argument img is unused because this demo only has 1 chart.
    Public Sub createChart(viewer As WinChartViewer, img As String) _
        Implements DemoModule.createChart

        ' The data for the chart
        Dim data0() As Double = {600, 800, 1200, 1500, 1800, 1900, 2000, 1950}
        Dim data1() As Double = {300, 450, 500, 1000, 1500, 1600, 1650, 1600}

        ' The labels for the chart
        Dim labels() As String = {"1995", "1996", "1997", "1998", "1999", "2000", _
            "2001", "2002"}

        ' Create a XYChart object of size 450 x 250 pixels, with a pale yellow
        ' (0xffffc0) background, a black border, and 1 pixel 3D border effect.
        Dim c As XYChart = New XYChart(450, 250, &Hffffc0, 0, 1)

        ' Set the plotarea at (60, 45) and of size 360 x 170 pixels, using white
        ' (0xffffff) as the plot area background color. Turn on both horizontal and
        ' vertical grid lines with light grey color (0xc0c0c0)
        c.setPlotArea(60, 45, 360, 170, &Hffffff, -1, -1, &Hc0c0c0, -1)

        ' Add a legend box at (60, 20) (top of the chart) with horizontal layout. Use
        ' 8 pts Arial Bold font. Set the background and border color to Transparent.
        c.addLegend(60, 20, False, "Arial Bold", 8).setBackground(Chart.Transparent)

        ' Add a title to the chart using 12 pts Arial Bold/white font. Use a 1 x 2
        ' bitmap pattern as the background.
        c.addTitle("Information Resource Usage", "Arial Bold", 12, &Hffffff _
            ).setBackground(c.patternColor(New Integer() {&H000040, &H000080}, 2))

        ' Set the labels on the x axis
        c.xAxis().setLabels(labels)

        ' Reserve 8 pixels margins at both side of the x axis to avoid the first and
        ' last symbols drawing outside of the plot area
        c.xAxis().setMargin(8, 8)

        ' Add a title to the y axis
        c.yAxis().setTitle("Population")

        ' Add a line layer to the chart
        Dim layer As LineLayer = c.addLineLayer2()

        ' Add the first line using small_user.png as the symbol.
        layer.addDataSet(data0, &Hcf4040, "Users").setDataSymbol2("small_user.png")

        ' Add the first line using small_computer.png as the symbol.
        layer.addDataSet(data1, &H40cf40, "Computers").setDataSymbol2( _
            "small_computer.png")

        ' Set the line width to 3 pixels
        layer.setLineWidth(3)

        ' Output the chart
        viewer.Chart = c

        'include tool tip for the chart
        viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
            "title='Number of {dataSetName} at {xLabel}: {value}'")

    End Sub

End Class

[Windows Forms - C# Version] NetWinCharts\CSharpWinCharts\customsymbolline.cs

using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class customsymbolline : DemoModule
    {
        //Name of demo module
        public string getName() { return "Custom Symbols"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 1; }

        //Main code for creating chart.
        //Note: the argument img is unused because this demo only has 1 chart.
        public void createChart(WinChartViewer viewer, string img)
        {
            // The data for the chart
            double[] data0 = {600, 800, 1200, 1500, 1800, 1900, 2000, 1950};
            double[] data1 = {300, 450, 500, 1000, 1500, 1600, 1650, 1600};

            // The labels for the chart
            string[] labels = {"1995", "1996", "1997", "1998", "1999", "2000",
                "2001", "2002"};

            // Create a XYChart object of size 450 x 250 pixels, with a pale yellow
            // (0xffffc0) background, a black border, and 1 pixel 3D border effect.
            XYChart c = new XYChart(450, 250, 0xffffc0, 0, 1);

            // Set the plotarea at (60, 45) and of size 360 x 170 pixels, using white
            // (0xffffff) as the plot area background color. Turn on both horizontal
            // and vertical grid lines with light grey color (0xc0c0c0)
            c.setPlotArea(60, 45, 360, 170, 0xffffff, -1, -1, 0xc0c0c0, -1);

            // Add a legend box at (60, 20) (top of the chart) with horizontal
            // layout. Use 8 pts Arial Bold font. Set the background and border color
            // to Transparent.
            c.addLegend(60, 20, false, "Arial Bold", 8).setBackground(
                Chart.Transparent);

            // Add a title to the chart using 12 pts Arial Bold/white font. Use a 1 x
            // 2 bitmap pattern as the background.
            c.addTitle("Information Resource Usage", "Arial Bold", 12, 0xffffff
                ).setBackground(c.patternColor(new int[] {0x000040, 0x000080}, 2));

            // Set the labels on the x axis
            c.xAxis().setLabels(labels);

            // Reserve 8 pixels margins at both side of the x axis to avoid the first
            // and last symbols drawing outside of the plot area
            c.xAxis().setMargin(8, 8);

            // Add a title to the y axis
            c.yAxis().setTitle("Population");

            // Add a line layer to the chart
            LineLayer layer = c.addLineLayer2();

            // Add the first line using small_user.png as the symbol.
            layer.addDataSet(data0, 0xcf4040, "Users").setDataSymbol2(
                "small_user.png");

            // Add the first line using small_computer.png as the symbol.
            layer.addDataSet(data1, 0x40cf40, "Computers").setDataSymbol2(
                "small_computer.png");

            // Set the line width to 3 pixels
            layer.setLineWidth(3);

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='Number of {dataSetName} at {xLabel}: {value}'");
        }
    }
}