Convert multiple HTML files to single PDF file using C# and .NET
Complete code
GitHubusing System;
using System.IO;
using System.Collections.Generic;
using SautinSoft.PdfVision;
namespace Sample
{
class Program
{
static void Main(string[] args)
{
ConvertMultipleHtmlToPdfFile();
}
public static void ConvertMultipleHtmlToPdfFile()
{
string[] inpFiles = new string[]
{
Path.GetFullPath(@"..\..\..\1.html"),
Path.GetFullPath(@"..\..\..\2.html")
};
string outFile = new FileInfo("Result.pdf").FullName;
PdfVision v = new PdfVision();
HtmlToPdfOptions options = new HtmlToPdfOptions()
{
PageSetup = new PageSetup()
{
PaperType = PaperType.Letter,
Orientation = Orientation.Portrait,
PageMargins = new PageMargins()
{
Left = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter),
Top = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter),
Right = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter),
Bottom = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter)
}
},
PrintBackground = true,
Scale = 1,
//Set a custom directory where will be placed portable Chromium browser.
//Default value depends of platform (win-x64, win-86, linux-x64 or osx-x64).
ChromiumBaseDirectory = Path.GetFullPath(@"..\..\..\..\..\..\Chromium\")
};
try
{
List<byte[]> pdfCollection = new List<byte[]>();
foreach (string inpFile in inpFiles)
{
Console.WriteLine($"Converting {Path.GetFileName(inpFile)} ...");
byte[] pdfData = v.ConvertHtmlToPdf(inpFile, options);
pdfCollection.Add(pdfData);
}
// Merge PDFs into single PDF document.
byte[] singlePdfData = v.MergePdf(pdfCollection);
File.WriteAllBytes(outFile, singlePdfData);
// Open the result for demonstration purposes.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
}
catch (Exception ex)
{
Console.WriteLine($"Error: {ex.Message}");
Console.ReadLine();
}
}
}
}
Imports System
Imports System.IO
Imports System.Collections.Generic
Imports SautinSoft.PdfVision
Namespace Sample
Friend Class Program
Shared Sub Main(ByVal args() As String)
ConvertMultipleHtmlToPdfFile()
End Sub
Public Shared Sub ConvertMultipleHtmlToPdfFile()
Dim inpFiles() As String = {Path.GetFullPath("..\..\..\1.html"), Path.GetFullPath("..\..\..\2.html")}
Dim outFile As String = (New FileInfo("Result.pdf")).FullName
Dim v As New PdfVision()
Dim options As New HtmlToPdfOptions() With {
.PageSetup = New PageSetup() With {
.PaperType = PaperType.Letter,
.Orientation = Orientation.Portrait,
.PageMargins = New PageMargins() With {
.Left = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter),
.Top = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter),
.Right = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter),
.Bottom = LengthUnitConverter.ToPoint(5, LengthUnit.Millimeter)
}
},
.PrintBackground = True,
.Scale = 1,
.ChromiumBaseDirectory = Path.GetFullPath("..\..\..\..\..\..\Chromium\")
}
Try
Dim pdfCollection As New List(Of Byte())()
For Each inpFile As String In inpFiles
Console.WriteLine($"Converting {Path.GetFileName(inpFile)} ...")
Dim pdfData() As Byte = v.ConvertHtmlToPdf(inpFile, options)
pdfCollection.Add(pdfData)
Next inpFile
' Merge PDFs into single PDF document.
Dim singlePdfData() As Byte = v.MergePdf(pdfCollection)
File.WriteAllBytes(outFile, singlePdfData)
' Open the result for demonstration purposes.
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
Catch ex As Exception
Console.WriteLine($"Error: {ex.Message}")
Console.ReadLine()
End Try
End Sub
End Class
End Namespace
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