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Suriya-BalamuruganSuriya-Balamurugan
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Added README file
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‎PPTX-to-Image-conversion/Convert-PowerPoint-slide-to-Image/.NET/Convert-PowerPoint-slide-to-Image/Program.cs

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pptxDoc.PresentationRenderer = new PresentationRenderer();
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//Convert PowerPoint slide to image as stream.
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using Stream stream = pptxDoc.Slides[0].ConvertToImage(ExportImageFormat.Jpeg);
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//Reset the stream position.
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stream.Position = 0;
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//Create the output image file stream.
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using FileStream fileStreamOutput = File.Create(Path.GetFullPath(@"Output/Output.jpg"));
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//Copy the converted image stream into created output stream.

‎PPTX-to-Image-conversion/Convert-PowerPoint-slide-to-Image/.NET/Convert-PowerPoint-slide-to-Image/README.md

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pptxDoc.PresentationRenderer = new PresentationRenderer();
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//Convert PowerPoint slide to image as stream.
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using Stream stream = pptxDoc.Slides[0].ConvertToImage(ExportImageFormat.Jpeg);
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//Reset the stream position.
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stream.Position = 0;
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//Create the output image file stream.
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using FileStream fileStreamOutput = File.Create(Path.GetFullPath(@"Output/Output.jpg"));
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//Copy the converted image stream into created output stream.

‎PPTX-to-PDF-conversion/Convert-PowerPoint-into-accessible-PDF/.NET/Convert-PowerPoint-into-accessible-PDF/Program.cs

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pdfConverterSettings.AutoTag = true;
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//Convert the PowerPoint document to a PDF document.
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using PdfDocument pdfDocument = PresentationToPdfConverter.Convert(pptxDoc, pdfConverterSettings);
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//Save the converted PDF document to the fileStream.
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using FileStream fileStreamOutput = File.Create(Path.GetFullPath("Output/PPTXToPDF.pdf"));
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pdfDocument.Save(fileStreamOutput);
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fileStreamOutput.Position = 0;
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//Create new instance of file stream.
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using FileStream fileStreamOutput = new(Path.GetFullPath(@"Output/PPTXToPDF.pdf"), FileMode.Create);
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//Save the generated PDF to file stream.
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pdfDocument.Save(fileStreamOutput);

‎PPTX-to-PDF-conversion/Convert-PowerPoint-into-accessible-PDF/.NET/Convert-PowerPoint-into-accessible-PDF/README.md

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pdfConverterSettings.AutoTag = true;
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//Convert the PowerPoint document to a PDF document.
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using PdfDocument pdfDocument = PresentationToPdfConverter.Convert(pptxDoc, pdfConverterSettings);
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//Save the converted PDF document to the fileStream.
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using FileStream fileStreamOutput = File.Create(Path.GetFullPath("Output/PPTXToPDF.pdf"));
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//Create new instance of file stream.
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using FileStream fileStreamOutput = new(Path.GetFullPath(@"Output/PPTXToPDF.pdf"), FileMode.Create);
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//Save the generated PDF to file stream.
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pdfDocument.Save(fileStreamOutput);
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fileStreamOutput.Position = 0;
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```
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More information about PPTX to PDF/UA conversion can be found in this [documentation](https://help.syncfusion.com/document-processing/powerpoint/conversions/powerpoint-to-pdf/net/presentation-to-pdf#accessible-pdf-document) section.

‎PPTX-to-PDF-conversion/Convert-PowerPoint-presentation-to-PDF/.NET/Convert-PowerPoint-presentation-to-PDF/README.md

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Step 4: Add the following code snippet in Program.cs file to convert a PowerPoint Presentation to PDF.
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```csharp
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//Load or open an PowerPoint Presentation.
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using FileStream inputStream = new(Path.GetFullPath(@"Data/Template.pptx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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//Open an existing PowerPoint presentation.
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using IPresentation pptxDoc = Presentation.Open(inputStream);
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//Create the MemoryStream to save the converted PDF.
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using MemoryStream pdfStream = new();
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//Convert the PowerPoint document to PDF document.
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using PdfDocument pdfDocument = PresentationToPdfConverter.Convert(pptxDoc);
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//Save the converted PDF document to MemoryStream.
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pdfDocument.Save(pdfStream);
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pdfStream.Position = 0;
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//Create the output PDF file stream.
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using FileStream fileStreamOutput = File.Create(Path.GetFullPath(@"Output/PPTXToPDF.pdf"));
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//Copy the converted PDF stream into created output PDF stream.
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pdfStream.CopyTo(fileStreamOutput);
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//Open the PowerPoint file stream.
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using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Data/Template.pptx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
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{
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//Load an existing PowerPoint Presentation.
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using (IPresentation pptxDoc = Presentation.Open(fileStream))
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{
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//Convert PowerPoint into PDF document.
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using (PdfDocument pdfDocument = PresentationToPdfConverter.Convert(pptxDoc))
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{
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//Save the PDF file to file system.
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using (FileStream outputStream = new FileStream(Path.GetFullPath(@"Output/PPTXToPDF.pdf"), FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
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{
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pdfDocument.Save(outputStream);
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}
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}
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}
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}
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```
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More information about PPTX to PDF conversion can be found in this [documentation](https://help.syncfusion.com/document-processing/powerpoint/conversions/powerpoint-to-pdf/net/presentation-to-pdf) section.

‎PowerPoint-Presentation/Merge-two-presentations/.NET/Merge-two-presentations.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 = 17.11.35327.3
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Merge-two-presentations", "Merge-two-presentations\Merge-two-presentations.csproj", "{C6039BBA-48D0-4E1F-BD63-466AE4C60704}"
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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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{C6039BBA-48D0-4E1F-BD63-466AE4C60704}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{C6039BBA-48D0-4E1F-BD63-466AE4C60704}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{C6039BBA-48D0-4E1F-BD63-466AE4C60704}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{C6039BBA-48D0-4E1F-BD63-466AE4C60704}.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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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {088F677A-7D77-4D4D-901D-FC77679F7DC7}
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EndGlobalSection
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EndGlobal

‎PowerPoint-Presentation/Merge-two-presentations/.NET/Merge-two-presentations/Data/DestinationPresentation.pptx

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‎PowerPoint-Presentation/Merge-two-presentations/.NET/Merge-two-presentations/Data/SourcePresentation.pptx

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‎PowerPoint-Presentation/Merge-two-presentations/.NET/Merge-two-presentations/Merge-two-presentations.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>Merge_two_presentations</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.Presentation.NET" Version="*" />
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</ItemGroup>
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<ItemGroup>
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<None Update="Data\SourcePresentation.pptx">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
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<None Update="Data\DestinationPresentation.pptx">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
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<None Update="Output\.gitkeep">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
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</ItemGroup>
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</Project>

‎PowerPoint-Presentation/Merge-two-presentations/.NET/Merge-two-presentations/Output/.gitkeep

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‎PowerPoint-Presentation/Merge-two-presentations/.NET/Merge-two-presentations/Program.cs

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using Syncfusion.Presentation;
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//Open an existing source presentation.
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using FileStream sourceStream = new FileStream(Path.GetFullPath(@"Data/SourcePresentation.pptx"), FileMode.Open);
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using IPresentation sourcePresentation = Presentation.Open(sourceStream);
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//Open an existing destination presentation.
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using FileStream destinationStream = new FileStream(Path.GetFullPath(@"Data/DestinationPresentation.pptx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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using IPresentation destinationPresentation = Presentation.Open(destinationStream);
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//Iterate each slide in source and merge to presentation.
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for (int i = 0; i < sourcePresentation.Slides.Count; i++)
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{
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//Clone the slide of the source presentation.
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ISlide clonedSlide = sourcePresentation.Slides[i].Clone();
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//Merge the cloned slide into the destination presentation.
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destinationPresentation.Slides.Add(clonedSlide, PasteOptions.UseDestinationTheme, sourcePresentation);
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}
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//Save the PowerPoint presentation.
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using FileStream outputStream = new FileStream(Path.GetFullPath(@"Output/Result.pptx"), FileMode.Create);
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destinationPresentation.Save(outputStream);

‎Slides/Merge-PowerPoint-slide/.NET/Merge-PowerPoint-slide/README.md renamed to ‎PowerPoint-Presentation/Merge-two-presentations/.NET/Merge-two-presentations/README.md

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Step 4: Add the following code snippet in Program.cs file to merge PowerPoint Presentations.
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```csharp
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//Load or open an PowerPoint Presentation.
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using FileStream sourcePresentationStream = new(Path.GetFullPath(@"Data/SourcePresentation.pptx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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using FileStream destinationPresentationStream = new(Path.GetFullPath(@"Data/DestinationPresentation.pptx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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//Open an existing PowerPoint presentation.
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using IPresentation sourcePresentation = Presentation.Open(sourcePresentationStream);
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//Open the destination Presentation.
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using IPresentation destinationPresentation = Presentation.Open(destinationPresentationStream);
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//Clone the first slide of the source Presentation.
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ISlide clonedSlide = sourcePresentation.Slides[0].Clone();
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//Merge the cloned slide to the destination Presentation with paste option - Destination Theme.
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destinationPresentation.Slides.Add(clonedSlide, PasteOptions.UseDestinationTheme);
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using FileStream outputStream = new(Path.GetFullPath(@"Output/Result.pptx"), FileMode.Create, FileAccess.ReadWrite);
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//Open an existing source presentation.
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using FileStream sourceStream = new FileStream(Path.GetFullPath(@"Data/SourcePresentation.pptx"), FileMode.Open);
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using IPresentation sourcePresentation = Presentation.Open(sourceStream);
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//Open an existing destination presentation.
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using FileStream destinationStream = new FileStream(Path.GetFullPath(@"Data/DestinationPresentation.pptx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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using IPresentation destinationPresentation = Presentation.Open(destinationStream);
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//Iterate each slide in source and merge to presentation.
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for (int i = 0; i < sourcePresentation.Slides.Count; i++)
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{
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//Clone the slide of the source presentation.
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ISlide clonedSlide = sourcePresentation.Slides[i].Clone();
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//Merge the cloned slide into the destination presentation.
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destinationPresentation.Slides.Add(clonedSlide, PasteOptions.UseDestinationTheme, sourcePresentation);
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}
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//Save the PowerPoint presentation.
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using FileStream outputStream = new FileStream(Path.GetFullPath(@"Output/Result.pptx"), FileMode.Create);
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destinationPresentation.Save(outputStream);
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```
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‎Security/Remove-encryption/.NET/Remove-encryption/README.md

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# Decrypt PowerPoint Presentation using C#
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The Syncfusion [.NET PowerPoint Library](https://www.syncfusion.com/document-processing/powerpoint-framework/net/powerpoint-library) (Presentation) enables you to create, read, and edit PowerPoint files programmatically without Microsoft office or interop dependencies. Using this library, you can **decrypt a PowerPoint Presentation** using C#.
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## Steps to decrypt a PowerPoint Presentation programmatically
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Step 1: Create a new .NET Core console application project.
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Step 2: Install the [Syncfusion.Presentation.Net.Core](https://www.nuget.org/packages/Syncfusion.Presentation.Net.Core) NuGet package as a reference to your project from [NuGet.org](https://www.nuget.org/).
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Step 3: Include the following namespaces in the Program.cs file.
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```csharp
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using Syncfusion.Presentation;
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using System.IO;
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```
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Step 4: Add the following code snippet in Program.cs file to decrypt the PowerPoint Presentation.
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```csharp
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//Load or open an PowerPoint Presentation.
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using FileStream inputStream = new(Path.GetFullPath(@"Data/Template.pptx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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//Open an existing Presentation from file system and it can be decrypted by using the provided password.
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using IPresentation presentation = Presentation.Open(inputStream, "syncfusion");
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//Decrypt the presentation.
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presentation.RemoveEncryption();
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using FileStream outputStream = new(Path.GetFullPath(@"Output/Result.pptx"), FileMode.Create, FileAccess.ReadWrite);
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presentation.Save(outputStream);
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```
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More information about decrypting presentations can be found in this [documentation](https://help.syncfusion.com/document-processing/powerpoint/powerpoint-library/net/security) section.

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