ChartPoint.ArcStartPointXPx

ChartPoint.ArcStartPointXPx property

Gets the x coordinate of starting point for the pie section after calls Chart.Calculate() method. Applies to Pie and Doughnut chart.

public float ArcStartPointXPx { get; }

Examples

namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using Aspose.Cells.Charts;
    using System;

    public class ChartPointPropertyArcStartPointXPxDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            // Add sample data for chart
            worksheet.Cells["A1"].PutValue("Category");
            worksheet.Cells["A2"].PutValue("Apple");
            worksheet.Cells["A3"].PutValue("Orange");
            worksheet.Cells["A4"].PutValue("Banana");
            worksheet.Cells["B1"].PutValue("Value");
            worksheet.Cells["B2"].PutValue(10);
            worksheet.Cells["B3"].PutValue(20);
            worksheet.Cells["B4"].PutValue(30);

            // Add a pie chart
            int chartIndex = worksheet.Charts.Add(ChartType.Pie, 5, 0, 20, 10);
            Chart chart = worksheet.Charts[chartIndex];
            
            // Set chart data range
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.CategoryData = "A2:A4";

            // Calculate chart to ensure properties are populated
            chart.Calculate();

            // Get the first chart point
            ChartPoint point = chart.NSeries[0].Points[0];

            // Display the ArcStartPointXPx value
            Console.WriteLine("ArcStartPointXPx for first point: " + point.ArcStartPointXPx);

            // Note: ArcStartPointXPx is read-only, so we can't set it directly
            // Instead, we can demonstrate how it changes when we modify other properties

            // Change the explosion value which affects the pie slice position
            point.Explosion = 20;
            chart.Calculate(); // Recalculate to update properties

            // Display the new ArcStartPointXPx value after explosion change
            Console.WriteLine("ArcStartPointXPx after explosion: " + point.ArcStartPointXPx);

            // Save the workbook
            workbook.Save("ChartPointPropertyArcStartPointXPxDemo.xlsx");
        }
    }
}

See Also