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PdfMetamorphosisWaterMarksCollectionAdd(String, PdfMetamorphosisSizes, PdfMetamorphosisSizes, PdfMetamorphosisSizes, PdfMetamorphosisSizes, Int32, Int32) Method

Adds a watermark to PDF document.

Namespace: SautinSoft
Assembly: PdfMetamorphosis (in PdfMetamorphosis.dll) Version: 2024.5.27
public PdfMetamorphosisWaterMark Add(
	string imagePath,
	PdfMetamorphosisSizes x = null,
	PdfMetamorphosisSizes y = null,
	PdfMetamorphosisSizes width = null,
	PdfMetamorphosisSizes height = null,
	int transparency = 50,
	int[] pageNum = null


imagePath  String
Path to image for watermark.
x  PdfMetamorphosisSizes  (Optional)
A watermark position by horizontal from the left-top edge of page.
y  PdfMetamorphosisSizes  (Optional)
A watermark position by vertical from the left-top edge of page.
width  PdfMetamorphosisSizes  (Optional)
A watermark width.
height  PdfMetamorphosisSizes  (Optional)
A watermark height.
transparency  Int32  (Optional)
Transparency in percents. 0 - invisible.
pageNum  Int32  (Optional)
Place this watermark only on these pages.

Return Value

Reference to the just added watermark.
How to add Watermarks into a produced PDF document using C# in memory
using System;
using System.IO;
using System.Collections;

namespace Sample

    class Test

        static void Main(string[] args)
            // Activate your license here
            // SautinSoft.PdfMetamorphosis.SetLicense("1234567890");

            SautinSoft.PdfMetamorphosis p = new SautinSoft.PdfMetamorphosis();

            SautinSoft.PdfMetamorphosis.WaterMark w1 = new SautinSoft.PdfMetamorphosis.WaterMark(@"..\..\..\WaterMark.png");
            w1.PosX.Mm = 0;
            w1.PosX.Mm = 0;
            w1.PosDX.Mm = 50;
            w1.PosDY.Mm = 50;


            if (p != null)
                string rtfPath = @"..\..\..\example.rtf";
                string pdfPath = Path.ChangeExtension(rtfPath, ".pdf");

                int i = p.RtfToPdfConvertFile(rtfPath, pdfPath);

                if (i != 0)
                    System.Console.WriteLine("An error occurred during converting RTF to PDF!");
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pdfPath) { UseShellExecute = true });
How to add Watermarks into a produced PDF document using VB.Net in memory
Module sample

    Sub Main()
                ' Activate your license here
                ' SautinSoft.PdfMetamorphosis.SetLicense("1234567890")

        Dim p As New SautinSoft.PdfMetamorphosis()

        Dim w1 As New SautinSoft.PdfMetamorphosis.WaterMark("..\..\..\WaterMark.png")

        w1.PosX.Mm = 0
        w1.PosX.Mm = 0
        w1.PosDX.Mm = 50
        w1.PosDY.Mm = 50


        If p IsNot Nothing Then
            Dim rtfPath As String = "..\..\..\example.rtf"
            Dim pdfPath As String = "..\..\..\test.pdf"

            Dim i As Integer = p.RtfToPdfConvertFile(rtfPath, pdfPath)

            If i <> 0 Then
                System.Console.WriteLine("An error occurred during converting RTF to PDF!")
                System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(pdfPath) With {.UseShellExecute = True})
            End If
        End If
    End Sub
End Module
See Also