/// <summary> /// Creates a dummy chart to show an error message. /// </summary> /// <param name="viewer">The WinChartViewer to display the error message.</param> /// <param name="msg">The error message</param> protected void errMsg(WinChartViewer viewer, string msg) { MultiChart m = new MultiChart(400, 200); m.addTitle2(Chart.Center, msg, "Arial", 10).setMaxWidth(m.getWidth()); viewer.Image = m.makeImage(); }
//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 age groups string[] labels = { "0 - 4", "5 - 9", "10 - 14", "15 - 19", "20 - 24", "24 - 29", "30 - 34", "35 - 39", "40 - 44", "44 - 49","50 - 54", "55 - 59", "60 - 64", "65 - 69", "70 - 74", "75 - 79","80+" }; // The male population (in thousands) double[] male = { 215, 238, 225, 236, 235, 260, 286, 340, 363, 305, 259, 164, 135, 127, 102, 68, 66 }; // The female population (in thousands) double[] female = { 194, 203, 201, 220, 228, 271, 339, 401, 384, 304, 236, 137, 116, 122, 112, 85, 110 }; //============================================================= // Draw the right bar chart //============================================================= // Create a XYChart object of size 320 x 300 pixels XYChart c = new XYChart(320, 300); // Set the plotarea at (50, 0) and of size 250 x 255 pixels. Use pink // (0xffdddd) as the background. c.setPlotArea(50, 0, 250, 255, 0xffdddd); // Add a custom text label at the top right corner of the right bar chart c.addText(300, 0, "Female", "Times New Roman Bold Italic", 12, 0xa07070 ).setAlignment(Chart.TopRight); // Add the pink (0xf0c0c0) bar chart layer using the female data BarLayer femaleLayer = c.addBarLayer(female, 0xf0c0c0, "Female"); // Swap the axis so that the bars are drawn horizontally c.swapXY(true); // Set the bar to touch each others femaleLayer.setBarGap(Chart.TouchBar); // Set the border style of the bars to 1 pixel 3D border femaleLayer.setBorderColor(-1, 1); // Add a Transparent line layer to the chart using the male data. As it // is Transparent, only the female bar chart can be seen. We need to put // both male and female data in both left and right charts, because we // want auto-scaling to produce the same scale for both chart. c.addLineLayer(male, Chart.Transparent); // Set the y axis label font to Arial Bold c.yAxis().setLabelStyle("Arial Bold"); // Set the labels between the two bar charts, which can be considered as // the x-axis labels for the right chart ChartDirector.TextBox tb = c.xAxis().setLabels(labels); // Use a fix width of 50 for the labels (height = automatic) with center // alignment tb.setSize(50, 0); tb.setAlignment(Chart.Center); // Set the label font to Arial Bold tb.setFontStyle("Arial Bold"); // Disable ticks on the x-axis by setting the tick length to 0 c.xAxis().setTickLength(0); //============================================================= // Draw the left bar chart //============================================================= // Create a XYChart object of size 280 x 300 pixels with a transparent // background. XYChart c2 = new XYChart(280, 300, Chart.Transparent); // Set the plotarea at (20, 0) and of size 250 x 255 pixels. Use pale // blue (0xddddff) as the background. c2.setPlotArea(20, 0, 250, 255, 0xddddff); // Add a custom text label at the top left corner of the left bar chart c2.addText(20, 0, "Male", "Times New Roman Bold Italic", 12, 0x7070a0); // Add the pale blue (0xaaaaff) bar chart layer using the male data BarLayer maleLayer = c2.addBarLayer(male, 0xaaaaff, "Male"); // Swap the axis so that the bars are drawn horizontally c2.swapXY(true); // Reverse the direction of the y-axis so it runs from right to left c2.yAxis().setReverse(); // Set the bar to touch each others maleLayer.setBarGap(Chart.TouchBar); // Set the border style of the bars to 1 pixel 3D border maleLayer.setBorderColor(-1, 1); // Add a Transparent line layer to the chart using the female data. As it // is Transparent, only the male bar chart can be seen. We need to put // both male and female data in both left and right charts, because we // want auto-scaling to produce the same scale for both chart. c2.addLineLayer(female, Chart.Transparent); // Set the y axis label font to Arial Bold c2.yAxis().setLabelStyle("Arial Bold"); // Set the x-axis labels for tool tip purposes. c2.xAxis().setLabels(labels); // Hide the x-axis labels by setting them to Transparent. We only need to // display the x-axis labels for the right chart. c2.xAxis().setColors(0x000000, Chart.Transparent, -1, Chart.Transparent); //============================================================= // Use a MultiChart to contain both bar charts //============================================================= // Create a MultiChart object of size 590 x 320 pixels. MultiChart m = new MultiChart(590, 320); // Add a title to the chart using Arial Bold Italic font m.addTitle("Demographics Hong Kong Year 2002", "Arial Bold Italic"); // Add another title at the bottom using Arial Bold Italic font m.addTitle2(Chart.Bottom, "Population (in thousands)", "Arial Bold Italic", 10); // Put the right chart at (270, 25) m.addChart(270, 25, c); // Put the left chart at (0, 25) m.addChart(0, 25, c2); // Output the chart viewer.Image = m.makeImage(); //include tool tip for the chart viewer.ImageMap = m.getHTMLImageMap("clickable", "", "title='{dataSetName} (Age {xLabel}): Population {value}K'"); }