C#에서 PDF 페이지 수 얻기

using IronPdf;
using IronPdf.Editing;

var renderer = new ChromePdfRenderer();

PdfDocument pdf = renderer.RenderHtmlAsPdf(documentHtml);

// Stamp a recipient-specific diagonal watermark across every page
var stamper = new HtmlStamper
{
    Html = $@"<div style='
        font-size: 48px;
        color: rgba(180, 0, 0, 0.18);
        font-family: Arial, sans-serif;
        font-weight: bold;
        transform: rotate(-40deg);
        white-space: nowrap;'>
        CONFIDENTIAL — {recipient.FullName}
    </div>",
    VerticalAlignment = VerticalAlignment.Middle,
    HorizontalAlignment = HorizontalAlignment.Center,
};

pdf.ApplyStamp(stamper);

pdf.SaveAs($"secured/{documentId}-{recipient.Id}.pdf");

Imports IronPdf
Imports IronPdf.Editing

Dim renderer As New ChromePdfRenderer()

Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf(documentHtml)

' Stamp a recipient-specific diagonal watermark across every page
Dim stamper As New HtmlStamper With {
    .Html = $"<div style='
        font-size: 48px;
        color: rgba(180, 0, 0, 0.18);
        font-family: Arial, sans-serif;
        font-weight: bold;
        transform: rotate(-40deg);
        white-space: nowrap;'>
        CONFIDENTIAL — {recipient.FullName}
    </div>",
    .VerticalAlignment = VerticalAlignment.Middle,
    .HorizontalAlignment = HorizontalAlignment.Center
}

pdf.ApplyStamp(stamper)

pdf.SaveAs($"secured/{documentId}-{recipient.Id}.pdf")

using IronPdf;

// Owner password controls who can change security settings
// User password controls who can open the document
pdf.SecuritySettings.OwnerPassword = "internal-owner-secret";
pdf.SecuritySettings.UserPassword = recipientAccessCode;

// Restrict what the recipient can do after opening
pdf.SecuritySettings.AllowUserPrinting = IronPdf.Security.PdfPrintSecurity.FullPrintRights;
pdf.SecuritySettings.AllowUserCopyPasteContent = false;
pdf.SecuritySettings.AllowUserEdits = IronPdf.Security.PdfEditSecurity.NoEdit;

pdf.SaveAs($"secured/{documentId}-{recipient.Id}-protected.pdf");

Imports IronPdf

' Owner password controls who can change security settings
' User password controls who can open the document
pdf.SecuritySettings.OwnerPassword = "internal-owner-secret"
pdf.SecuritySettings.UserPassword = recipientAccessCode

' Restrict what the recipient can do after opening
pdf.SecuritySettings.AllowUserPrinting = IronPdf.Security.PdfPrintSecurity.FullPrintRights
pdf.SecuritySettings.AllowUserCopyPasteContent = False
pdf.SecuritySettings.AllowUserEdits = IronPdf.Security.PdfEditSecurity.NoEdit

pdf.SaveAs($"secured/{documentId}-{recipient.Id}-protected.pdf")