Convert DOCX to PDF in memory using C# and .NET


Complete code

using System;
using System.IO;
using System.Collections;

namespace Sample
{
	class Test
	{
		
		static void Main(string[] args)
		{	
			// Activate your license here
			// SautinSoft.PdfMetamorphosis.SetLicense("1234567890");

			SautinSoft.PdfMetamorphosis p = new SautinSoft.PdfMetamorphosis();
		
			if (p != null)
			{
                string docxPath = @"..\..\..\example.docx";
                string pdfPath = Path.ChangeExtension(docxPath, ".pdf");
                byte[] docx = File.ReadAllBytes(docxPath);
                			
				// 2. Convert DOCX to PDF in memory                
                byte[] pdf = p.DocxToPdfConvertByte(docx);

				if (pdf != null)
				{
                    // 3. Save the PDF document to a file for a viewing purpose.
                    File.WriteAllBytes(pdfPath, pdf);
					System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pdfPath) { UseShellExecute = true });
				}
				else
				{
					System.Console.WriteLine("Conversion failed!");
                    Console.ReadLine();
				}
			}
		}
	}
}

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Imports System
Imports System.IO

Namespace Sample
    Friend Class Test

        Shared Sub Main(ByVal args() As String)
				' Activate your license here
				' SautinSoft.PdfMetamorphosis.SetLicense("1234567890")

            Dim p As New SautinSoft.PdfMetamorphosis()

            If p IsNot Nothing Then
                Dim docxPath As String = "..\..\..\example.docx"
                Dim pdfPath As String = Path.ChangeExtension(docxPath, ".pdf")
                Dim docx() As Byte = File.ReadAllBytes(docxPath)

                ' 2. Convert DOCX to PDF in memory                
                Dim pdf() As Byte = p.DocxToPdfConvertByte(docx)

                If pdf IsNot Nothing Then
                    ' 3. Save the PDF document to a file for a viewing purpose.
                    File.WriteAllBytes(pdfPath, pdf)
					System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(pdfPath) With {.UseShellExecute = True})
                Else
                    System.Console.WriteLine("Conversion failed!")
                    Console.ReadLine()
                End If
            End If
        End Sub
    End Class
End Namespace

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Questions and suggestions from you are always welcome!

We are developing .Net components since 2002. We know PDF, DOCX, RTF, HTML, XLSX and Images formats. If you need any assistance with creating, modifying or converting documents in various formats, we can help you. We will write any code example for you absolutely free.