ChartOfPieView Class

A view that displays Pie-of-Pie or Bar-of-Pie charts.

Namespace: DevExpress.Docs.Office

Assembly: DevExpress.Docs.Core.v26.1.dll

NuGet Package: DevExpress.Docs.Core

Declaration

C#

public class ChartOfPieView :
    ColorfulChartView

VB.NET

Public Class ChartOfPieView
    Inherits ColorfulChartView

Remarks

For additional information about series and views, refer to the following help topic: Series and Views.

The following code snippet adds a Bar-of-Pie chart to a presentation:

C#

using DevExpress.Docs.Office;
using DevExpress.Docs.Presentation;
using System.Drawing;

namespace PresentationApiSample;
public class Program {
    public static async Task Main(string[] _) {
        // Create a presentation.
        Presentation presentation = new Presentation();

        // Reset the slide collection.
        presentation.Slides.Clear();

        // Add a blank slide.
        Slide slide = new Slide(SlideLayoutType.Blank);
        presentation.Slides.Add(slide);

        // Insert a chart on the slide.
        Chart chart = new Chart();
        slide.Shapes.Add(chart);

        // Set chart size to match the slide.
        chart.Width = presentation.SlideSize.Width;
        chart.Height = presentation.SlideSize.Height;

        // Create a series for a Pie-of-Pie or Bar-of-Pie chart.
        ChartOfPieSeries series = new ChartOfPieSeries();

        // Specify category labels and values.
        series.Arguments = new ChartStringData(new string[] { "A", "B", "C", "D", "E", "F" });
        series.Values = new ChartNumericData(new double[] { 25, 15, 12, 19, 21, 32 });

        // Add the series to the chart.
        chart.Series.Add(series);

        // Access and configure the chart view.
        ChartOfPieView view = chart.Views[0] as ChartOfPieView;
        view.SeriesLineProperties = new ChartElement { Fill = new SolidFill(Color.DarkGray) };
        view.VaryColors = true;

        // Configure data labels and split options.
        view.DataLabels.ShowValue = true;
        view.DataLabels.ShowCategoryName = true;
        view.SplitType = ChartOfPieSplitType.Value;
        view.SplitPosition = 20;
        view.GapWidth = 50;
        view.SecondChartType = ChartOfPieType.Bar;

        // Save the result to a file.
        var outputPath = @"D:\presentation.pptx";
        using FileStream outputStream = new(outputPath, FileMode.Create, FileAccess.Write, FileShare.None);
        presentation.SaveDocument(outputStream);
    }
}

VB.NET

Imports DevExpress.Docs.Office
Imports DevExpress.Docs.Presentation
Imports System.Drawing
Imports System.IO
Imports System.Threading.Tasks

Namespace PresentationApiSample
  Public Class Program
    Public Shared Async Function Main(args As String()) As Task
      ' Create a presentation.
      Dim presentation As New Presentation()

      ' Reset the slide collection.
      presentation.Slides.Clear()

      ' Add a blank slide.
      Dim slide As New Slide(SlideLayoutType.Blank)
      presentation.Slides.Add(slide)

      ' Insert a chart on the slide.
      Dim chart As New Chart()
      slide.Shapes.Add(chart)

      ' Set chart size to match the slide.
      chart.Width = presentation.SlideSize.Width
      chart.Height = presentation.SlideSize.Height

      ' Create a series for a Pie-of-Pie or Bar-of-Pie chart.
      Dim series As New ChartOfPieSeries()

      ' Specify category labels and values.
      series.Arguments = New ChartStringData(New String() {"A", "B", "C", "D", "E", "F"})
      series.Values = New ChartNumericData(New Double() {25, 15, 12, 19, 21, 32})

      ' Add the series to the chart.
      chart.Series.Add(series)

      ' Access and configure the chart view.
      Dim view As ChartOfPieView = TryCast(chart.Views(0), ChartOfPieView)
      view.SeriesLineProperties = New ChartElement With {
        .Fill = New SolidFill(Color.DarkGray)
      }
      view.VaryColors = True

      ' Configure data labels and split options.
      view.DataLabels.ShowValue = True
      view.DataLabels.ShowCategoryName = True
      view.SplitType = ChartOfPieSplitType.Value
      view.SplitPosition = 20
      view.GapWidth = 50
      view.SecondChartType = ChartOfPieType.Bar

      ' Save the result to a file.
      Dim outputPath = "D:\presentation.pptx"
      Using outputStream As New FileStream(outputPath, FileMode.Create, FileAccess.Write, FileShare.None)
        presentation.SaveDocument(outputStream)
      End Using
    End Function
  End Class
End Namespace

Implements

ICloneable

Inheritance

Object

OfficeObject

ChartViewBase

ChartViewWithDataLabels

ColorfulChartView

ChartOfPieView