VB.NETでPDFをJPGに変換する方法

using IronPdf;

// Initialize the PDF renderer
var renderer = new ChromePdfRenderer();

// Configure the text header
renderer.RenderingOptions.TextHeader = new TextHeaderFooter
{
    CenterText = "Quarterly Sales Report",
    DrawDividerLine = true,
    FontSize = 14
};

// Configure the text footer with page number and date
renderer.RenderingOptions.TextFooter = new TextHeaderFooter
{
    LeftText = "{date}",
    RightText = "Page {page} of {total-pages}",
    DrawDividerLine = true,
    FontSize = 10
};

// Set margins to accommodate header and footer
renderer.RenderingOptions.MarginTop = 25;
renderer.RenderingOptions.MarginBottom = 25;

// Generate PDF from HTML content
var pdf = renderer.RenderHtmlAsPdf("<h1>Sales Data</h1><p>Content goes here...</p>");
pdf.SaveAs("report-with-headers.pdf");

Imports IronPdf

' Initialize the PDF renderer
Dim renderer = New ChromePdfRenderer()

' Configure the text header
renderer.RenderingOptions.TextHeader = New TextHeaderFooter With {
    .CenterText = "Quarterly Sales Report",
    .DrawDividerLine = True,
    .FontSize = 14
}

' Configure the text footer with page number and date
renderer.RenderingOptions.TextFooter = New TextHeaderFooter With {
    .LeftText = "{date}",
    .RightText = "Page {page} of {total-pages}",
    .DrawDividerLine = True,
    .FontSize = 10
}

' Set margins to accommodate header and footer
renderer.RenderingOptions.MarginTop = 25
renderer.RenderingOptions.MarginBottom = 25

' Generate PDF from HTML content
Dim pdf = renderer.RenderHtmlAsPdf("<h1>Sales Data</h1><p>Content goes here...</p>")
pdf.SaveAs("report-with-headers.pdf")

using IronPdf;
using System;

var renderer = new ChromePdfRenderer();

// Create an HTML header with logo and styling
renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    HtmlFragment = @"
        <div style='width: 100%; font-family: Arial, sans-serif;'>
            <img src='logo.png' style='height: 30px; float: left;' />
            <span style='float: right; font-size: 12px; color: #666;'>
                Confidential Document
            </span>
        </div>",
    MaxHeight = 25,
    DrawDividerLine = true,
    BaseUrl = new Uri(@"C:\assets\").AbsoluteUri
};

// Create an HTML footer with page numbering
renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    HtmlFragment = @"
        <div style='text-align: center; font-size: 10px; color: #999;'>
            <span>Generated on {date} at {time}</span>
            <br/>
            <span>Page {page} of {total-pages}</span>
        </div>",
    MaxHeight = 20
};

renderer.RenderingOptions.MarginTop = 30;
renderer.RenderingOptions.MarginBottom = 25;

var pdf = renderer.RenderHtmlAsPdf("<h1>Project Proposal</h1><p>Document content...</p>");
pdf.SaveAs("styled-document.pdf");

Imports IronPdf
Imports System

Dim renderer As New ChromePdfRenderer()

' Create an HTML header with logo and styling
renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {
    .HtmlFragment = "
        <div style='width: 100%; font-family: Arial, sans-serif;'>
            <img src='logo.png' style='height: 30px; float: left;' />
            <span style='float: right; font-size: 12px; color: #666;'>
                Confidential Document
            </span>
        </div>",
    .MaxHeight = 25,
    .DrawDividerLine = True,
    .BaseUrl = New Uri("C:\assets\").AbsoluteUri
}

' Create an HTML footer with page numbering
renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter With {
    .HtmlFragment = "
        <div style='text-align: center; font-size: 10px; color: #999;'>
            <span>Generated on {date} at {time}</span>
            <br/>
            <span>Page {page} of {total-pages}</span>
        </div>",
    .MaxHeight = 20
}

renderer.RenderingOptions.MarginTop = 30
renderer.RenderingOptions.MarginBottom = 25

Dim pdf = renderer.RenderHtmlAsPdf("<h1>Project Proposal</h1><p>Document content...</p>")
pdf.SaveAs("styled-document.pdf")

using IronPdf;

// Load an existing PDF document
var pdf = PdfDocument.FromFile("customer-profile.pdf");

// Define the header to add
var header = new HtmlHeaderFooter
{
    HtmlFragment = "<div style='text-align: center;'>REVISED COPY - {date}</div>",
    MaxHeight = 20
};

// Define the footer to add
var footer = new HtmlHeaderFooter
{
    HtmlFragment = "<div style='text-align: right;'>Page {page}</div>",
    MaxHeight = 15
};

// Apply headers and footers to all pages
pdf.AddHtmlHeaders(header);
pdf.AddHtmlFooters(footer);
pdf.SaveAs("document-with-new-headers.pdf");

Imports IronPdf

' Load an existing PDF document
Dim pdf = PdfDocument.FromFile("customer-profile.pdf")

' Define the header to add
Dim header As New HtmlHeaderFooter With {
    .HtmlFragment = "<div style='text-align: center;'>REVISED COPY - {date}</div>",
    .MaxHeight = 20
}

' Define the footer to add
Dim footer As New HtmlHeaderFooter With {
    .HtmlFragment = "<div style='text-align: right;'>Page {page}</div>",
    .MaxHeight = 15
}

' Apply headers and footers to all pages
pdf.AddHtmlHeaders(header)
pdf.AddHtmlFooters(footer)
pdf.SaveAs("document-with-new-headers.pdf")

using IronPdf;
using System.Collections.Generic;
using System.Linq;
using System.Text;

var renderer = new ChromePdfRenderer();

// Build multi-page HTML with print page-breaks between pages
var pages = new List<string>
{
    "<section><h1>Title Page</h1><p>Intro text on page 1.</p></section>",
    "<section><h2>Report</h2><p>Detailed report content on page 2.</p></section>",
    "<section><h2>Appendix</h2><p>Appendix content on page 3.</p></section>"
};

var sb = new StringBuilder();
sb.AppendLine("<!doctype html><html><head><meta charset='utf-8'>");
sb.AppendLine("<style>");
sb.AppendLine("  body { font-family: Arial, sans-serif; margin: 20px; }");
sb.AppendLine("  .page-break { page-break-after: always; }");
sb.AppendLine("</style>");
sb.AppendLine("</head><body>");

for (int i = 0; i < pages.Count; i++)
{
    sb.AppendLine(pages[i]);
    if (i < pages.Count - 1)
        sb.AppendLine("<div class='page-break'></div>");
}
sb.AppendLine("</body></html>");

var pdf = renderer.RenderHtmlAsPdf(sb.ToString());

// Create the standard header for pages 2 onwards
var standardHeader = new HtmlHeaderFooter
{
    HtmlFragment = "<div style='text-align: center;'>Standard Header - Page {page}</div>",
    MaxHeight = 20
};

// Apply to all pages except the first (index 0)
var pageIndices = Enumerable.Range(1, pdf.PageCount - 1).ToList();
pdf.AddHtmlHeaders(standardHeader, 1, pageIndices);
pdf.SaveAs("document-skip-first-page-header.pdf");

Imports IronPdf
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text

Dim renderer As New ChromePdfRenderer()

' Build multi-page HTML with print page-breaks between pages
Dim pages As New List(Of String) From {
    "<section><h1>Title Page</h1><p>Intro text on page 1.</p></section>",
    "<section><h2>Report</h2><p>Detailed report content on page 2.</p></section>",
    "<section><h2>Appendix</h2><p>Appendix content on page 3.</p></section>"
}

Dim sb As New StringBuilder()
sb.AppendLine("<!doctype html><html><head><meta charset='utf-8'>")
sb.AppendLine("<style>")
sb.AppendLine("  body { font-family: Arial, sans-serif; margin: 20px; }")
sb.AppendLine("  .page-break { page-break-after: always; }")
sb.AppendLine("</style>")
sb.AppendLine("</head><body>")

For i As Integer = 0 To pages.Count - 1
    sb.AppendLine(pages(i))
    If i < pages.Count - 1 Then
        sb.AppendLine("<div class='page-break'></div>")
    End If
Next
sb.AppendLine("</body></html>")

Dim pdf = renderer.RenderHtmlAsPdf(sb.ToString())

' Create the standard header for pages 2 onwards
Dim standardHeader As New HtmlHeaderFooter With {
    .HtmlFragment = "<div style='text-align: center;'>Standard Header - Page {page}</div>",
    .MaxHeight = 20
}

' Apply to all pages except the first (index 0)
Dim pageIndices = Enumerable.Range(1, pdf.PageCount - 1).ToList()
pdf.AddHtmlHeaders(standardHeader, 1, pageIndices)
pdf.SaveAs("document-skip-first-page-header.pdf")