Install-Package Spire.PDF

using Spire.Pdf;


namespace PrintWithDefaultPrinter

{
    class Program
    {
        static void Main(string[] args)
        {
            //創(chuàng)建一個 PdfDocument 對象
            PdfDocument doc = new PdfDocument();

            //加載一個 PDF 文件
            doc.LoadFromFile("C:/Users/Administrator/Desktop/Input.pdf");
         
            //指定打印機名稱
            doc.PrintSettings.PrinterName = "您的打印機名稱";

            //打印第1至第5頁
            doc.PrintSettings.SelectPageRange(1, 5);

            //設(shè)置打印份數(shù)
            doc.PrintSettings.Copies = 2;

            //設(shè)置灰度打印
            doc.PrintSettings.Color = false;

            //每張紙打印多頁
            doc.PrintSettings.SelectMultiPageLayout(2, 2);

            //執(zhí)行打印
            doc.Print();
            //清理資源
            doc.Dispose();
        }
    }
}

Install-Package Spire.Printing

Install-Package Spire.PDFfor.NETStandard

using Spire.Pdf;
using Spire.Printing;

bool isWindows = System.Runtime.InteropServices.RuntimeInformation
    .IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Windows);

using (PdfDocument pdfDocument = new PdfDocument())
{
    pdfDocument.LoadFromFile("test.pdf");

    var fileFormat = !isWindows
        ? Spire.Pdf.FileFormat.PDF
        : Spire.Pdf.FileFormat.XPS;

    MemoryStream stream = new MemoryStream();
    pdfDocument.SaveToStream(stream, fileFormat);

    IPrintDocumentStream pdfStream = !isWindows
        ? new PdfPrintDocument(stream)
        : new XpsPrintDocument(stream);

    //創(chuàng)建 PrintDocument
    PrintDocument printPdf = new PrintDocument(pdfStream);

    //選擇打印頁碼范圍
    printPdf.PrintSettings.SelectPageRange(1, 1);

    //設(shè)置打印份數(shù)
    printPdf.PrintSettings.Copies = 2;

    //執(zhí)行打印
    printPdf.Print();
    // 釋放資源
    printPdf.Dispose();
}