Merge pull request #228 from SyncfusionExamples/980336-RGBValue

980336-FAQ for how to get the RGB color value for the cell color

Author: Mohan2401

FAQ/RGB Value for Cell Color/.NET/RGB Value for Cell Color/README.md

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+# How to get the RGB values of the cell color using XlsIO?
+
+Step 1: Create a New C# Console Application Project.
+
+Step 2: Name the Project.
+
+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).
+
+Step 4: Include the following namespaces in the **Program.cs** file.
+
+```csharp
+using System;
+using System.IO;
+using Syncfusion.Drawing;
+using Syncfusion.XlsIO;
+```
+
+Step 5: Include the below code snippet in **Program.cs** to get the RGB values of the cell color using XlsIO.
+
+```csharp
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+    IWorkbook workbook = application.Workbooks.Create(1);
+    IWorksheet worksheet = workbook.Worksheets[0];
+
+    //Apply cell color
+    worksheet.Range["A1"].CellStyle.ColorIndex = ExcelKnownColors.Custom50;
+
+    //Get the RGB values of the cell color
+    Color color = worksheet.Range["A1"].CellStyle.Color;
+    byte red = color.R;
+    byte green = color.G;
+    byte blue = color.B;
+
+    //Print the RGB values
+    Console.WriteLine($"Red: {red}, Green: {green}, Blue: {blue}");
+
+    //Save the workbook
+    FileStream outputStream = new FileStream(Path.GetFullPath("../../../Output/Output.xlsx"), FileMode.Create, FileAccess.Write);
+    workbook.SaveAs(outputStream);
+
+    //Dispose stream
+    outputStream.Dispose();
+}
+```
+

FAQ/RGB Value for Cell Color/.NET/RGB Value for Cell Color/RGBValueCellColor.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36221.1 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RGBValueCellColor", "RGBValueCellColor\RGBValueCellColor.csproj", "{B693B811-5C3A-40DD-8C56-573409E2F140}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B693B811-5C3A-40DD-8C56-573409E2F140}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B693B811-5C3A-40DD-8C56-573409E2F140}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B693B811-5C3A-40DD-8C56-573409E2F140}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B693B811-5C3A-40DD-8C56-573409E2F140}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {814BB82D-5FD2-45C0-9792-C0DE5FDEB2BC}
+	EndGlobalSection
+EndGlobal

FAQ/RGB Value for Cell Color/.NET/RGB Value for Cell Color/RGBValueCellColor/Output/.gitkeep

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+using System.IO;
+using Syncfusion.XlsIO;
+using Syncfusion.Drawing;
+
+
+namespace RGBValueCellColor
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            using (ExcelEngine excelEngine = new ExcelEngine())
+            {
+                IApplication application = excelEngine.Excel;
+                application.DefaultVersion = ExcelVersion.Xlsx;
+                IWorkbook workbook = application.Workbooks.Create(1);
+                IWorksheet worksheet = workbook.Worksheets[0];
+
+                //Apply cell color
+                worksheet.Range["A1"].CellStyle.ColorIndex = ExcelKnownColors.Custom50;
+
+                //Get the RGB values of the cell color
+                Color color = worksheet.Range["A1"].CellStyle.Color;
+                byte red = color.R;
+                byte green = color.G;
+                byte blue = color.B;
+
+                //Print the RGB values
+                Console.WriteLine($"Red: {red}, Green: {green}, Blue: {blue}");
+
+                //Save the workbook
+                FileStream outputStream = new FileStream(Path.GetFullPath("../../../Output/Output.xlsx"), FileMode.Create, FileAccess.Write);
+                workbook.SaveAs(outputStream);
+
+                //Dispose stream
+                outputStream.Dispose();
+            }
+        }
+    }
+}

FAQ/RGB Value for Cell Color/.NET/RGB Value for Cell Color/RGBValueCellColor/Program.cs

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