C#以编程方式打印pdf文件？

using System;
using System.Diagnostics;
using System.Drawing.Printing;
using System.IO;
using System.Runtime.InteropServices;

namespace PrintPDFExample
{
    class Program
    {
        static void Main(string[] args)
        {
            string pdfFilePath = "path/to/your/pdf/file.pdf";
            string printerName = "Your Printer Name";

            // 设置默认打印机
            SetDefaultPrinter(printerName);

            // 打印PDF文件
            PrintPDF(pdfFilePath, printerName);
        }

        static void SetDefaultPrinter(string printerName)
        {
            // 获取默认打印机设置
            PrinterSettings settings = new PrinterSettings();
            settings.PrinterName = printerName;

            // 设置为默认打印机
            settings.DefaultPageSettings.PrinterSettings = settings;
            settings.DefaultPageSettings.PrinterSettings.PrintToFile = false;
            settings.DefaultPageSettings.PrinterSettings.PrinterName = printerName;
            settings.DefaultPageSettings.PrinterSettings.PrintFileName = string.Empty;
            settings.DefaultPageSettings.PrinterSettings.PrintRange = PrintRange.AllPages;

            // 更新系统默认打印机设置
            Type type = Type.GetTypeFromProgID("WScript.Network");
            dynamic network = Activator.CreateInstance(type);
            network.SetDefaultPrinter(printerName);
        }

        static void PrintPDF(string pdfFilePath, string printerName)
        {
            ProcessStartInfo processStartInfo = new ProcessStartInfo();
            processStartInfo.Verb = "print";
            processStartInfo.FileName = pdfFilePath;
            processStartInfo.CreateNoWindow = true;
            processStartInfo.WindowStyle = ProcessWindowStyle.Hidden;
            processStartInfo.Arguments = "\"" + printerName + "\"";

            // 使用默认打印机打印PDF文件
            Process process = new Process();
            process.StartInfo = processStartInfo;
            process.Start();
            process.WaitForExit();
        }
    }
}