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

public PdfMetamorphosisWaterMark Add(
	string imagePath,
	PdfMetamorphosisSizes x = null,
	PdfMetamorphosisSizes y = null,
	PdfMetamorphosisSizes width = null,
	PdfMetamorphosisSizes height = null,
	int transparency = 50,
	int[] pageNum = null
)

Public Function Add ( 
	imagePath As String,
	Optional x As PdfMetamorphosisSizes = Nothing,
	Optional y As PdfMetamorphosisSizes = Nothing,
	Optional width As PdfMetamorphosisSizes = Nothing,
	Optional height As PdfMetamorphosisSizes = Nothing,
	Optional transparency As Integer = 50,
	Optional pageNum As Integer() = Nothing
) As PdfMetamorphosisWaterMark

using System;
using System.IO;
using System.Collections;

namespace Sample
{

    class Test
    {

        static void Main(string[] args)
        {
            // Before starting, we recommend to get a free 100-day key:
            // https://sautinsoft.com/start-for-free/

            // Apply the key here:
            // SautinSoft.PdfMetamorphosis.SetLicense("...");

            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;

            p.WaterMarks.Add(w1);

            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!");
                }
                else
                {
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pdfPath) { UseShellExecute = true });
                }
            }
        }
    }
}

Module sample

    Sub Main()
            ' Before starting, we recommend to get a free 100-day key:
            ' https://sautinsoft.com/start-for-free/

            ' Apply the key here:
            ' SautinSoft.PdfMetamorphosis.SetLicense("...");


        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

        p.WaterMarks.Add(w1)


        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!")
            Else
                System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(pdfPath) With {.UseShellExecute = True})
            End If
        End If
    End Sub
End Module