Convert VSD to PDF in C# Using Aspose.Diagram for .NET

convert-vsd-to-pdf-in-csharp.md

Learn how to Convert VSD to PDF in C# Using Aspose.Diagram for .NET

convert-vsd-to-pdf-in-csharp_basic.cs

using Aspose.Diagram;

// Step 1: Load the source VSD file
Diagram diagram = new Diagram("Drawing1.vsd");

// Step 2: Save the file as PDF
diagram.Save("Drawing1_out.pdf", SaveFileFormat.Pdf);

convert-vsd-to-pdf-in-csharp_multiple.cs

using Aspose.Diagram;

// Get all .vsd files from the target folder.
string[] files = Directory.GetFiles("D:\\Files\\", "*.vsd");

// Iterate through each Visio file path returned above.
foreach (var file in files)
{
    // Load the Visio diagram into memory from the current file path.
    Diagram diagram = new Diagram(file);

    // Build the output PDF file path by replacing the original extension with .pdf
    string pdfFile = Path.ChangeExtension(file, ".pdf");

    // Save the currently loaded diagram as a PDF file to the computed path.
    diagram.Save(pdfFile, SaveFileFormat.Pdf);
}

convert-vsd-to-pdf-in-csharp_save_options.cs

using Aspose.Diagram;
using Aspose.Diagram.Saving;

// 1) Load the source Visio diagram from disk.
Diagram diagram = new Diagram("sample.vsd");

// 2) Prepare PDF save options
PdfSaveOptions options = new PdfSaveOptions
{
    // Include both foreground and background pages in the PDF.
    // Set to true if you only want the main content pages.
    SaveForegroundPagesOnly = false,

    // Produce a PDF/A-1b compliant document.
    Compliance = PdfCompliance.PdfA1b,

    // Use the highest JPEG quality for any rasterized content inside pages.
    // Lower this value if you need a smaller output file size.
    JpegQuality = 100
};

// 3) Export the diagram to PDF.
diagram.Save("save-diagram.pdf", options);

convert-vsd-to-pdf-in-csharp_specific_page.cs

using Aspose.Diagram;

// Load the VSD diagram
Diagram diagram = new Diagram("Sample.vsd");

// Initialize PDF save options
PdfSaveOptions options = new PdfSaveOptions
{
    PageIndex = 1,  // Export second page (index starts from 0)
    PageCount = 1   // Export only one page
};

// Save the specific page as PDF
diagram.Save("specific-page.pdf", options);

convert-vsd-to-pdf-in-csharp_using_stream.cs

using Aspose.Diagram;

// Load the VSD file in stream
using (FileStream inputStream = new FileStream("sample.vsd", FileMode.Open))
{
    // Load VSD from stream
    Diagram diagram = new Diagram(inputStream);

    using (FileStream outputStream = new FileStream("diagram-stream.pdf", FileMode.Create))
    {
        // Save PDF to stream
        diagram.Save(outputStream, SaveFileFormat.Pdf);
    }
}