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Task-972104-How to silent print PDF document using Syncfusion.Pdf.Net.Core Package? #181

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Task-972104-How to silent print PDF document using Syncfusion.Pdf.Net.Core Package? #181

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e70e3d8
Sample updated
irfanajaffer Jul 25, 2025
6efe8e8
Resolved issues in the KB
irfanajaffer Oct 22, 2025
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25 changes: 25 additions & 0 deletions ...on/PDF-to-Image/How-to-silent-print-a-PDF-document/How-to-silent-print-a-PDF-document.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.13.35617.110 d17.13
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "How_to_silent_print_a_PDF_document", "How_to_silent_print_a_PDF_document\How_to_silent_print_a_PDF_document.csproj", "{C39DF450-AD95-418F-8946-A0F0FEB51117}"
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@chinnumuniyappan chinnumuniyappan Oct 21, 2025

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The project file and folder name are mentioned wrongly in the sln file. How it will be working on your end?

EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{C39DF450-AD95-418F-8946-A0F0FEB51117}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{C39DF450-AD95-418F-8946-A0F0FEB51117}.Debug|Any CPU.Build.0 = Debug|Any CPU
{C39DF450-AD95-418F-8946-A0F0FEB51117}.Release|Any CPU.ActiveCfg = Release|Any CPU
{C39DF450-AD95-418F-8946-A0F0FEB51117}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {A4847A47-8765-447B-BE70-E32347BCCF00}
EndGlobalSection
EndGlobal
Binary file added ...mage/How-to-silent-print-a-PDF-document/How-to-silent-print-a-PDF-document/Data/Input.pdf
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17 changes: 17 additions & 0 deletions ...PDF-document/How-to-silent-print-a-PDF-document/How-to-silent-print-a-PDF-document.csproj
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<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
</PropertyGroup>

<ItemGroup>
<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
<PackageReference Include="Syncfusion.PdfToImageConverter.Net" Version="*" />
<PackageReference Include="System.Drawing.Common" Version="*" />
</ItemGroup>

</Project>
56 changes: 56 additions & 0 deletions ...to-Image/How-to-silent-print-a-PDF-document/How-to-silent-print-a-PDF-document/Program.cs
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using Syncfusion.PdfToImageConverter;
using System.Drawing;
using System.Drawing.Printing;

class Program
{
static Bitmap[] bitmaps;
static int currentPageIndex = 0;
static void Main()
{
// Initialize PDF to Image converter.
PdfToImageConverter imageConverter = new PdfToImageConverter();
// Load the PDF document as a stream
using (FileStream inputStream = new FileStream("Data/Input.pdf", FileMode.Open, FileAccess.ReadWrite))
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@chinnumuniyappan chinnumuniyappan Oct 21, 2025

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Can we simplify the code like below.

using Syncfusion.PdfToImageConverter;
using System.Drawing;
using System.Drawing.Printing;

// Initialize the PdfToImageConverter with the path to the PDF file
using (PdfToImageConverter imageConverter = new PdfToImageConverter())
{
    // Load the PDF document
    imageConverter.Load(new FileStream("Data/Input.pdf", FileMode.Open, FileAccess.Read));

    //Convert all the PDF pages to images
    Stream[] images = imageConverter.Convert(0, imageConverter.PageCount - 1, false, false);

    //Create a print document object to print the images
    using (PrintDocument printDocument = new PrintDocument())
    {
        int currentPageIndex = 0;
        //Handle the PrintPage event to print each image
        printDocument.PrintPage += (sender, e) =>
        {
            Stream imageStream = images[currentPageIndex];
            imageStream.Position = 0; // Reset stream position
            Image currentImage = Image.FromStream(imageStream);
            //Draw the current image on the print page
            e.Graphics.DrawImage(currentImage, e.PageBounds);
            //Move to the next page
            currentPageIndex++;
            //Check if there are more pages to print
            e.HasMorePages = currentPageIndex < images.Length;
        };
        //Print the document
        printDocument.Print();
    }
}

{
imageConverter.Load(inputStream);
// Convert PDF to Image.
Stream[] outputStream = imageConverter.Convert(0, imageConverter.PageCount - 1, false, false);
// Convert streams to bitmaps.
bitmaps = BitmapConverter.ConvertStreamsToBitmaps(outputStream);
}
// Initialize PrintDocument
PrintDocument printDocument = new PrintDocument();
// Attach the PrintPage event handler
printDocument.PrintPage += PrintDocument_PrintPage;
// Print the document
printDocument.Print();
}
private static void PrintDocument_PrintPage(object sender, PrintPageEventArgs e)
{
Bitmap bitmap = bitmaps[currentPageIndex];
Graphics graphics = e.Graphics;
// Center the image on the page without scaling
float offsetX = (e.PageBounds.Width - bitmap.Width) / 2;
float offsetY = (e.PageBounds.Height - bitmap.Height) / 2;
graphics.DrawImage(bitmap, offsetX, offsetY);
currentPageIndex++;
e.HasMorePages = currentPageIndex < bitmaps.Length;
if (!e.HasMorePages)
{
currentPageIndex = 0;
}
}
public static class BitmapConverter
{
public static Bitmap[] ConvertStreamsToBitmaps(Stream[] streams)
{
Bitmap[] bitmaps = new Bitmap[streams.Length];
for (int i = 0; i < streams.Length; i++)
{
bitmaps[i] = new Bitmap(streams[i]);
}
return bitmaps;
}
}
}
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