C# 将 PDF 发送到打印机（分步教程）

using IronPdf;
using System.Drawing;

Imports IronPdf
Imports System.Drawing

// Create an instance of ChromePdfRenderer
var chromePdfRenderer = new IronPdf.ChromePdfRenderer();

// Render any HTML fragment to a PDF document
using var pdfDocument = chromePdfRenderer.RenderHtmlAsPdf("<h1>Hello IronPdf</h1><p>This tutorial will help to print this text to a PDF file.</p>");

// Send the PDF to the default printer
pdfDocument.Print();

// Create a PrintDocument object that can be used for further configurations
System.Drawing.Printing.PrintDocument printDocument = pdfDocument.GetPrintDocument();

' Create an instance of ChromePdfRenderer
Dim chromePdfRenderer = New IronPdf.ChromePdfRenderer()

' Render any HTML fragment to a PDF document
Dim pdfDocument = chromePdfRenderer.RenderHtmlAsPdf("<h1>Hello IronPdf</h1><p>This tutorial will help to print this text to a PDF file.</p>")

' Send the PDF to the default printer
pdfDocument.Print()

' Create a PrintDocument object that can be used for further configurations
Dim printDocument As System.Drawing.Printing.PrintDocument = pdfDocument.GetPrintDocument()

// Create an instance of ChromePdfRenderer
var chromePdfRenderer = new IronPdf.ChromePdfRenderer();

// Render a PDF from a URL
var pdfDocument = chromePdfRenderer.RenderUrlAsPdf("https://ironpdf.com/");

// Send the PDF to the default printer
pdfDocument.Print();

// Create a PrintDocument object that can be used for further configurations
System.Drawing.Printing.PrintDocument printDocument = pdfDocument.GetPrintDocument();

' Create an instance of ChromePdfRenderer
Dim chromePdfRenderer = New IronPdf.ChromePdfRenderer()

' Render a PDF from a URL
Dim pdfDocument = chromePdfRenderer.RenderUrlAsPdf("https://ironpdf.com/")

' Send the PDF to the default printer
pdfDocument.Print()

' Create a PrintDocument object that can be used for further configurations
Dim printDocument As System.Drawing.Printing.PrintDocument = pdfDocument.GetPrintDocument()

using (var printDocument = pdfDocument.GetPrintDocument())
{
    // Specify the printer name
    printDocument.PrinterSettings.PrinterName = "Microsoft Print to PDF";

    // Print the document
    printDocument.Print();
}

Using printDocument = pdfDocument.GetPrintDocument()
	' Specify the printer name
	printDocument.PrinterSettings.PrinterName = "Microsoft Print to PDF"

	' Print the document
	printDocument.Print()
End Using

// Set custom printer resolution
printDocument.DefaultPageSettings.PrinterResolution = new System.Drawing.Printing.PrinterResolution
{
    Kind = System.Drawing.Printing.PrinterResolutionKind.Custom,
    X = 1200,
    Y = 1200
};

' Set custom printer resolution
printDocument.DefaultPageSettings.PrinterResolution = New System.Drawing.Printing.PrinterResolution With {
	.Kind = System.Drawing.Printing.PrinterResolutionKind.Custom,
	.X = 1200,
	.Y = 1200
}

int printedPages;

using (var printDocument = pdfDocument.GetPrintDocument())
{
    // Specify the printer name
    printDocument.PrinterSettings.PrinterName = "Microsoft Print to PDF";

    // Set custom printer resolution
    printDocument.DefaultPageSettings.PrinterResolution = new System.Drawing.Printing.PrinterResolution
    {
        Kind = System.Drawing.Printing.PrinterResolutionKind.Custom,
        X = 1200,
        Y = 1200
    };

    // Track number of printed pages
    printedPages = 0;
    printDocument.PrintPage += (sender, args) => printedPages++;

    // Print the document
    printDocument.Print();
}

Dim printedPages As Integer

Using printDocument = pdfDocument.GetPrintDocument()
	' Specify the printer name
	printDocument.PrinterSettings.PrinterName = "Microsoft Print to PDF"

	' Set custom printer resolution
	printDocument.DefaultPageSettings.PrinterResolution = New System.Drawing.Printing.PrinterResolution With {
		.Kind = System.Drawing.Printing.PrinterResolutionKind.Custom,
		.X = 1200,
		.Y = 1200
	}

	' Track number of printed pages
	printedPages = 0
'INSTANT VB WARNING: An assignment within expression was extracted from the following statement:
'ORIGINAL LINE: printDocument.PrintPage += (sender, args) => printedPages++;
	AddHandler printDocument.PrintPage, Sub(sender, args) printedPages
	printedPages += 1

	' Print the document
	printDocument.Print()
End Using