Convert Visio VSD VSDX to PDF using C#

close-streams.cs

// Close streams
pdfFileStream.Close();
pdfStream.Close();

convert-visio-to-pdf.cs

// Create a diagram object to load a VSD/VSDX diagram
Diagram diagram = new Diagram("Diagram.vsd");

// Create memory stream and save the diagram as PDF
MemoryStream pdfStream = new MemoryStream();
diagram.Save(pdfStream, SaveFileFormat.PDF);

// Create a PDF file
FileStream pdfFileStream = new FileStream("ExportToPDF.pdf", FileMode.Create, FileAccess.Write);
// Write to the file
pdfStream.WriteTo(pdfFileStream);

// Close streams
pdfFileStream.Close();
pdfStream.Close();

create-memory-stream.cs

// Create memory stream and save the diagram as PDF
MemoryStream pdfStream = new MemoryStream();
diagram.Save(pdfStream, SaveFileFormat.PDF);

load-visio-file.cs

// Create a diagram object to load a VSD/VSDX diagram
Diagram diagram = new Diagram("Diagram.vsd");

save-pdf.cs

// Create a PDF file
FileStream pdfFileStream = new FileStream("ExportToPDF.pdf", FileMode.Create, FileAccess.Write);
// Write to the file
pdfStream.WriteTo(pdfFileStream);