Convert PowerPoint file to PDF in C# and VB.NET
If you need a reliable and straightforward solution to convert PowerPoint files to PDF programmatically, the GemBox.Presentation API offers you the ability to perform this action using just C# or VB.NET code.
You can load or read any supported input file format and save or write it as any supported output file format.
You can find the full list of formats on the Supported File Formats help page.
The following examples show some commonly required file format conversions.
Convert PowerPoint presentations to PDF
For both reading and writing, you can either provide the file's path or a stream by using one PresentationDocument.Load or PresentationDocument.Save methods.
The following example shows how to convert a PowerPoint presentation to PDF using default LoadOptions and SaveOptions.
using GemBox.Presentation;
class Program
{
static void Main()
{
// If using the Professional version, put your serial key below.
ComponentInfo.SetLicense("FREE-LIMITED-KEY");
var presentation = PresentationDocument.Load("%InputFileName%");
// In order to achieve the conversion of a loaded PowerPoint file to PDF,
// we just need to save a PresentationDocument object to desired
// output file format.
presentation.Save("Convert.%OutputFileType%");
}
}Imports GemBox.Presentation
Module Program
Sub Main()
' If using the Professional version, put your serial key below.
ComponentInfo.SetLicense("FREE-LIMITED-KEY")
Dim presentation = PresentationDocument.Load("%InputFileName%")
' In order to achieve the conversion of a loaded PowerPoint file to PDF,
' we just need to save a PresentationDocument object to desired
' output file format.
presentation.Save("Convert.%OutputFileType%")
End Sub
End ModuleConvert PowerPoint presentations to PDF/A
GemBox.Presentation also supports saving PowerPoint presentations to PDF/A, an ISO-standardized version of the Portable Document Format (PDF) specialized for archiving and long-term preservation of electronic documents.
The following example shows how to convert a PowerPoint presentation to PDF/A using PdfConformanceLevel to specify the conformance level and version.
using GemBox.Presentation;
class Program
{
static void Main()
{
// If using the Professional version, put your serial key below.
ComponentInfo.SetLicense("FREE-LIMITED-KEY");
PdfConformanceLevel conformanceLevel = %PdfConformanceLevel%;
// Load PowerPoint file.
var presentation = PresentationDocument.Load("%InputFileName%");
// Create PDF save options.
var options = new PdfSaveOptions()
{
ConformanceLevel = conformanceLevel
};
// Save to PDF file.
presentation.Save("Output.pdf", options);
}
}Imports GemBox.Presentation
Module Program
Sub Main()
' If using the Professional version, put your serial key below.
ComponentInfo.SetLicense("FREE-LIMITED-KEY")
Dim conformanceLevel As PdfConformanceLevel = %PdfConformanceLevel%
' Load PowerPoint file.
Dim presentation = PresentationDocument.Load("%InputFileName%")
' Create PDF save options.
Dim options As New PdfSaveOptions() With
{
.ConformanceLevel = conformanceLevel
}
' Save to PDF file.
presentation.Save("Output.pdf", options)
End Sub
End Module
