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Merge pull request #194 from SyncfusionExamples/940650-SetPieSliceColor
940650-Set pie slice color and pie data label call out in XlsIO
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‎Create and Edit Charts/Data Labels/.NET/Pie Data Label Call Out/Pie Data Label Call Out.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.12.35506.116 d17.12
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Pie Data Label Call Out", "Pie Data Label Call Out\Pie Data Label Call Out.csproj", "{EEE50E59-2AB6-4EFE-856D-C65C830F3B6B}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{EEE50E59-2AB6-4EFE-856D-C65C830F3B6B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{EEE50E59-2AB6-4EFE-856D-C65C830F3B6B}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{EEE50E59-2AB6-4EFE-856D-C65C830F3B6B}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{EEE50E59-2AB6-4EFE-856D-C65C830F3B6B}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

‎Create and Edit Charts/Data Labels/.NET/Pie Data Label Call Out/Pie Data Label Call Out/Output/.gitkeep‎

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‎Create and Edit Charts/Data Labels/.NET/Pie Data Label Call Out/Pie Data Label Call Out/Pie Data Label Call Out.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<RootNamespace>Pie_Data_Label_Call_Out</RootNamespace>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.XlsIO.Net.Core" Version="*" />
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</ItemGroup>
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<ItemGroup>
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<None Update="Output\*">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
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</ItemGroup>
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</Project>

‎Create and Edit Charts/Data Labels/.NET/Pie Data Label Call Out/Pie Data Label Call Out/Program.cs‎

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using System;
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using System.IO;
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using Syncfusion.Drawing;
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using Syncfusion.XlsIO;
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namespace Pie_Data_Label_CallOuts
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{
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class Program
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{
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static void Main(string[] args)
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{
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using (ExcelEngine excelEngine = new ExcelEngine())
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{
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IApplication application = excelEngine.Excel;
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application.DefaultVersion = ExcelVersion.Xlsx;
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IWorkbook workbook = application.Workbooks.Create(1);
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IWorksheet worksheet = workbook.Worksheets[0];
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//Assigning data to cells
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worksheet.Range["A1"].Text = "Category";
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worksheet.Range["B1"].Text = "Value";
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worksheet.Range["A2"].Text = "Apples";
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worksheet.Range["B2"].Number = 30;
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worksheet.Range["A3"].Text = "Bananas";
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worksheet.Range["B3"].Number = 45;
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worksheet.Range["A4"].Text = "Cherries";
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worksheet.Range["B4"].Number = 25;
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//Add a pie chart to the worksheet
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IChartShape chart = worksheet.Charts.Add();
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//Set data range for the chart
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chart.DataRange = worksheet.Range["A1:B4"];
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//Specify chart type
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chart.ChartType = ExcelChartType.Pie;
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//Set chart properties
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chart.IsSeriesInRows = false;
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chart.ChartTitle = "Fruit Distribution";
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chart.HasLegend = true;
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chart.Legend.Position = ExcelLegendPosition.Right;
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//Position the chart within the worksheet
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chart.TopRow = 6;
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chart.LeftColumn = 1;
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chart.BottomRow = 20;
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chart.RightColumn = 10;
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//Customize data label for the first data point
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IChartSerie series = chart.Series[0];
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series.DataPoints[0].DataLabels.IsCategoryName = true;
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series.DataPoints[0].DataLabels.IsValue = true;
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//Enable data label callouts for the first data point
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series.DataPoints[0].DataLabels.ShowLeaderLines = true;
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//Manually resizing data label area using Manual Layout
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chart.Series[0].DataPoints[0].DataLabels.Layout.ManualLayout.Left = 0.09;
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chart.Series[0].DataPoints[0].DataLabels.Layout.ManualLayout.Top = 0.01;
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#region Save
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//Saving the workbook
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FileStream outputStream = new FileStream(Path.GetFullPath("Output.xlsx"), FileMode.Create, FileAccess.Write);
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workbook.SaveAs(outputStream);
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#endregion
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//Dispose streams
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outputStream.Dispose();
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}
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}
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}
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}

‎Create and Edit Charts/Data Labels/.NET/Pie Data Label Call Out/README.md‎

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# How to display data label callouts in pie charts using XlsIO?
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Step 1: Create a New C# Console Application Project.
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Step 2: Name the Project.
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Step 3: Install the [Syncfusion.XlsIO.Net.Core](https://www.nuget.org/packages/Syncfusion.XlsIO.Net.Core) NuGet package as reference to your .NET Standard applications from [NuGet.org](https://www.nuget.org).
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Step 4: Include the following namespaces in the **Program.cs** file.
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```csharp
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using System;
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using System.IO;
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using Syncfusion.Drawing;
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using Syncfusion.XlsIO;
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```
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Step 5: Include the below code snippet in **Program.cs** to display data label callouts in pie charts.
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```csharp
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using (ExcelEngine excelEngine = new ExcelEngine())
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{
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IApplication application = excelEngine.Excel;
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application.DefaultVersion = ExcelVersion.Xlsx;
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IWorkbook workbook = application.Workbooks.Create(1);
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IWorksheet worksheet = workbook.Worksheets[0];
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//Assigning data to cells
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worksheet.Range["A1"].Text = "Category";
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worksheet.Range["B1"].Text = "Value";
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worksheet.Range["A2"].Text = "Apples";
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worksheet.Range["B2"].Number = 30;
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worksheet.Range["A3"].Text = "Bananas";
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worksheet.Range["B3"].Number = 45;
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worksheet.Range["A4"].Text = "Cherries";
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worksheet.Range["B4"].Number = 25;
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//Add a pie chart to the worksheet
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IChartShape chart = worksheet.Charts.Add();
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//Set data range for the chart
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chart.DataRange = worksheet.Range["A1:B4"];
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//Specify chart type
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chart.ChartType = ExcelChartType.Pie;
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//Set chart properties
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chart.IsSeriesInRows = false;
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chart.ChartTitle = "Fruit Distribution";
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chart.HasLegend = true;
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chart.Legend.Position = ExcelLegendPosition.Right;
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//Position the chart within the worksheet
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chart.TopRow = 6;
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chart.LeftColumn = 1;
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chart.BottomRow = 20;
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chart.RightColumn = 10;
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//Customize data label for the first data point
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IChartSerie series = chart.Series[0];
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series.DataPoints[0].DataLabels.IsCategoryName = true;
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series.DataPoints[0].DataLabels.IsValue = true;
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//Enable data label callouts for the first data point
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series.DataPoints[0].DataLabels.ShowLeaderLines = true;
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//Manually resizing data label area using Manual Layout
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chart.Series[0].DataPoints[0].DataLabels.Layout.ManualLayout.Left = 0.09;
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chart.Series[0].DataPoints[0].DataLabels.Layout.ManualLayout.Top = 0.01;
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#region Save
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//Saving the workbook
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FileStream outputStream = new FileStream(Path.GetFullPath("Output.xlsx"), FileMode.Create, FileAccess.Write);
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workbook.SaveAs(outputStream);
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#endregion
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//Dispose streams
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outputStream.Dispose();
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}
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```

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