C# 哈希映射（开发者用法）

using IronPdf;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();

        // Wrap text in <mark> (or use a CSS background-color) to highlight it
        string html = @"
            <h1>Quarterly Report</h1>
            <p>Revenue grew steadily this year.
               <mark style='background-color:#fff200;'>Net profit rose by 24%</mark>,
               beating every forecast.</p>";

        // Render the HTML to a PDF, preserving the highlight
        PdfDocument pdf = renderer.RenderHtmlAsPdf(html);
        pdf.SaveAs("highlighted.pdf");
    }
}

Imports IronPdf

Module Program
    Sub Main()
        Dim renderer As New ChromePdfRenderer()

        ' Wrap text in <mark> (or use a CSS background-color) to highlight it
        Dim html As String = "
            <h1>Quarterly Report</h1>
            <p>Revenue grew steadily this year.
               <mark style='background-color:#fff200;'>Net profit rose by 24%</mark>,
               beating every forecast.</p>"

        ' Render the HTML to a PDF, preserving the highlight
        Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf(html)
        pdf.SaveAs("highlighted.pdf")
    End Sub
End Module

using IronPdf;
using IronPdf.Editing;

class Program
{
    static void Main()
    {
        // Load the PDF you want to mark up
        var pdf = PdfDocument.FromFile("report.pdf");

        // A semi-transparent yellow box acts like a highlighter swipe
        string highlight = "<div style='background:#fff200;opacity:0.4;width:240px;height:20px;'></div>";

        // Overlay the highlight, positioned with alignment options
        pdf.ApplyStamp(highlight,
            verticalAlignment: VerticalAlignment.Top,
            horizontalAlignment: HorizontalAlignment.Left);

        pdf.SaveAs("highlighted.pdf");
    }
}

Imports IronPdf
Imports IronPdf.Editing

Module Program
    Sub Main()
        ' Load the PDF you want to mark up
        Dim pdf = PdfDocument.FromFile("report.pdf")

        ' A semi-transparent yellow box acts like a highlighter swipe
        Dim highlight As String = "<div style='background:#fff200;opacity:0.4;width:240px;height:20px;'></div>"

        ' Overlay the highlight, positioned with alignment options
        pdf.ApplyStamp(highlight, verticalAlignment:=VerticalAlignment.Top, horizontalAlignment:=HorizontalAlignment.Left)

        pdf.SaveAs("highlighted.pdf")
    End Sub
End Module