Add, Access, or Modify PowerPoint Presentation using C#

readme.md

Learn how to access, add, and modify document properties in PowerPoint presentations using C#: https://blog.aspose.com/2021/09/10/manipulate-properties-in-powerpoint-files-using-csharp/

access-builtin-properties.cs

// Load presentation
Presentation pres = new Presentation("AccessBuiltin Properties.pptx");

// Create a reference to IDocumentProperties object associated with Presentation
IDocumentProperties documentProperties = pres.DocumentProperties;

// Display the builtin properties
System.Console.WriteLine("Category : " + documentProperties.Category);
System.Console.WriteLine("Current Status : " + documentProperties.ContentStatus);
System.Console.WriteLine("Creation Date : " + documentProperties.CreatedTime);
System.Console.WriteLine("Author : " + documentProperties.Author);
System.Console.WriteLine("Description : " + documentProperties.Comments);
System.Console.WriteLine("KeyWords : " + documentProperties.Keywords);
System.Console.WriteLine("Last Modified By : " + documentProperties.LastSavedBy);
System.Console.WriteLine("Supervisor : " + documentProperties.Manager);
System.Console.WriteLine("Modified Date : " + documentProperties.LastSavedTime);
System.Console.WriteLine("Presentation Format : " + documentProperties.PresentationFormat);
System.Console.WriteLine("Last Print Date : " + documentProperties.LastPrinted);
System.Console.WriteLine("Is Shared between producers : " + documentProperties.SharedDoc);
System.Console.WriteLine("Subject : " + documentProperties.Subject);
System.Console.WriteLine("Title : " + documentProperties.Title);

access-custom-properties.cs

// Load presentation
Presentation presentation = new Presentation("Presentation.pptx");

// Get reference of document properties
IDocumentProperties documentProperties = presentation.DocumentProperties;

// Access custom properties
for (int i = 0; i < documentProperties.CountOfCustomProperties; i++)
{
    // Display names and values of custom properties
    System.Console.WriteLine("Custom Property Name : " + documentProperties.GetCustomPropertyName(i));
    System.Console.WriteLine("Custom Property Value : " + documentProperties[documentProperties.GetCustomPropertyName(i)]);
}

add-custom-properties.cs

// Load presentation
Presentation presentation = new Presentation("Presentation.pptx");

// Get reference of document properties
IDocumentProperties documentProperties = presentation.DocumentProperties;

// Add custom properties
documentProperties["New Custom"] = 12;
documentProperties["My Name"] = "Mudassir";
documentProperties["Custom"] = 124;

// Save presentation
presentation.Save("CustomDocumentProperties_out.pptx", SaveFormat.Pptx);

modify-builtin-properties.cs

// Load presentation
Presentation presentation = new Presentation("ModifyBuiltinProperties.pptx");

// Create a reference to IDocumentProperties object associated with Presentation
IDocumentProperties documentProperties = presentation.DocumentProperties;

// Set the builtin properties
documentProperties.Author = "Aspose.Slides for .NET";
documentProperties.Title = "Modifying Presentation Properties";
documentProperties.Subject = "Aspose Subject";
documentProperties.Comments = "Aspose Description";
documentProperties.Manager = "Aspose Manager";

// Save your presentation to a file
presentation.Save("DocumentProperties_out.pptx", SaveFormat.Pptx);

modify-custom-properties.cs

// Load presentation
Presentation presentation = new Presentation("Presentation.pptx");

// Get reference of document properties
IDocumentProperties documentProperties = presentation.DocumentProperties;

// Access and modify custom properties
for (int i = 0; i < documentProperties.CountOfCustomProperties; i++)
{
    // Modify values of custom properties
    documentProperties[documentProperties.GetCustomPropertyName(i)] = "New Value " + (i + 1);
}

// Save presentation
presentation.Save("CustomDocumentProperties_out.pptx", SaveFormat.Pptx);