Open and save Presentation on macOS

29 Jun 20262 minutes to read

Syncfusion® PowerPoint is a .NET Core PowerPoint library used to create, read, edit and convert PowerPoint documents programmatically without Microsoft PowerPoint or interop dependencies. Using this library, you can open and save a Presentation in .NET Core application on macOS.

Steps to open and save PowerPoint Presentation programmatically

Step 1: Create a new C# .NET Core console application.
Create .NET Core console project

Step 2: Select the project version.
Select project version

Step 3: Install the Syncfusion.Presentation.Net.Core NuGet package as reference to your .NET Standard applications from NuGet.org.

Install Presentation .Net Core Nuget
Install Presentation .Net Core Nuget

NOTE

Starting with v16.2.0.x, if you reference Syncfusion® assemblies from trial setup or from the NuGet feed, you also have to add “Syncfusion.Licensing” assembly reference and include a license key in your projects. Please refer to this link to know about registering Syncfusion® license key in your application to use our components.

Step 4: Include the following Namespaces in the Program.cs file.

using Syncfusion.Presentation;

Step 5: Add the following code snippet in Program.cs file to open an existing Presentation in .NET Core application on macOS.

//Open an existing PowerPoint presentation
IPresentation pptxDoc = Presentation.Open(new FileStream("Sample.pptx",FileMode.Open));

Step 6: Add below code snippet demonstrates accessing a shape from a slide and changing the text within it.

//Gets the first slide from the PowerPoint presentation
ISlide slide = pptxDoc.Slides[0];
//Gets the first shape of the slide
IShape shape = slide.Shapes[0] as IShape;
//Change the text of the shape
if(shape.TextBody.Text == "Company History")
    shape.TextBody.Text = "Company Profile";

Step 7: Add below code example to save the PowerPoint Presentation in .NET Core application on macOS.

//Save the PowerPoint presentation as stream
FileStream outputStream = new FileStream("Output.pptx", FileMode.Create);
pptxDoc.Save(outputStream);
outputStream.Position = 0;
outputStream.Flush();
outputStream.Dispose();
//Close the PowerPoint presentation
pptxDoc.Close();

You can download a complete working sample from GitHub.

By executing the program, you will get the PowerPoint document as follows.

.NET Core macOS output PowerPoint document

Looking for the full .NET PowerPoint Library component overview, features, pricing, and documentation? Visit the .NET PowerPoint Library page.