How to print PDF files in windows service?

You can print a PDF document in Windows Service using the silent printing feature supported by Syncfusion WPF PDF Viewer.

Please find the Steps to be followed to print a PDF document in Windows Service below:

Step 1: Create a Windows Service application and add the necessary features to the application as instructed in the below link:

https://docs.microsoft.com/en-us/dotnet/framework/windows-services/walkthrough-creating-a-windows-service-application-in-the-component-designer

Step 2: Define the printing process to print the PDF document silently using PdfViewerControl.

void PrintPDF()
{
  PdfViewerControl pdfViewerControl = new PdfViewerControl();
  // Load the PDF document to be printed.
  pdfViewerControl.Load(“Pass the full path of the PDF file to be printed here…”);
  // Print the PDF document silently using the printer name.
  pdfViewerControl.Print(“Pass your printer name here…”);
}

Note:

You need to specify the printer name by passing it as a parameter in the Print method as mentioned in the above code example. Otherwise, the service cannot detect the printer even though it is a default printer.

Step 3: Perform the printing as single threaded, when the service starts.

protected override void OnStart(string[] args)
{
  // Set the threading model to STA
  Thread thread = new Thread(PrintPDF);
  thread.SetApartmentState(ApartmentState.STA);
  thread.Start();
}

View sample in GitHub.

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How to print PDF files in windows service?

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