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PdfPageLayer layer = doc.Pages[i].PageLayers.Add("WaterMark", true);
for (int j = doc.Pages.Count - 1; j >= 0; j--)
{
PdfPageBase page = doc.Pages[j];
//*****
}
try
{
doc.Split(pattern);
doc.Close();
}
catch (Exception ex)
{
}
PdfDocument regH = new PdfDocument("input.pdf");
PdfPageBase regP = regH.Pages[0];
PdfLayer layer = regH.Layers.AddLayer("test", PdfVisibility.On);
PdfCanvas pcA = layer.CreateGraphics(regP.Canvas);
pcA.DrawString("TEST", new PdfFont(PdfFontFamily.Helvetica, 18f), PdfBrushes.Red, new PointF(100, 100));
regH.SaveToFile("output.pdf", FileFormat.PDF);