标记新内容
开发人员可编辑任何 PDF 文档，为任何页面添加新内容(或页面)使用 StampHTML 方法。
using IronPdf;
using IronPdf.Editing;
var stamper =
new HtmlStamper("<img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'/>")
{
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Bottom,
IsStampBehindContent = false,
Opacity = 30
};
var pdf = PdfDocument.FromFile("Sample.pdf");
pdf.ApplyStamp(stamper).SaveAs("stamped_image.pdf");Imports IronPdf
Imports IronPdf.Editing
Private stamper = New HtmlStamper("<img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'/>") With {
.HorizontalAlignment = HorizontalAlignment.Center,
.VerticalAlignment = VerticalAlignment.Bottom,
.IsStampBehindContent = False,
.Opacity = 30
}
Private pdf = PdfDocument.FromFile("Sample.pdf")
pdf.ApplyStamp(stamper).SaveAs("stamped_image.pdf")
