How to: Add a Watermark to a Document

Nov 13, 2018
2 minutes to read

This example demonstrates how a watermark can be added to a printing system document. The SetTextWatermark method demonstrates the properties which are useful when a text watermark is added to a document, while the SetPictureWatermark method demonstrates the properties required to set a picture as the document’s watermark.

C#
VB.NET

csharp

using System.Drawing;
using DevExpress.XtraPrinting;
using DevExpress.XtraPrinting.Drawing;
using DevExpress.Drawing;
// ...

public void SetTextWatermark(PrintingSystem ps){
   // Create the text watermark.
   Watermark textWatermark = new Watermark();

   // Set watermark options.
   textWatermark.Text = "CUSTOM WATERMARK TEXT";
   textWatermark.TextDirection = DirectionMode.ForwardDiagonal;
   textWatermark.Font = new DXFont(textWatermark.Font.FontFamily, 40);
   textWatermark.ForeColor = Color.DodgerBlue;
   textWatermark.TextTransparency = 150;
   textWatermark.TextPosition = WatermarkPosition.InFront;
   textWatermark.PageRange = "1,3-5";

   // Add the watermark to the collection.
   ps.Watermarks.Add(textWatermark);
}

public void SetPictureWatermark(PrintingSystem ps){
   // Create the picture watermark.
   Watermark pictureWatermark = new Watermark();

   // Set watermark options.
   pictureWatermark.Image = Bitmap.FromFile("watermark.gif");
   pictureWatermark.ImageAlign = ContentAlignment.TopCenter;
   pictureWatermark.ImageTiling = false;
   pictureWatermark.ImageViewMode = ImageViewMode.Stretch;
   pictureWatermark.ImageTransparency = 150;
   pictureWatermark.ImagePosition = WatermarkPosition.Behind;
   pictureWatermark.PageRange = "2,4";

   // Add the watermark to the collection.
   ps.Watermarks.Add(pictureWatermark);
}

Imports System.Drawing
Imports DevExpress.XtraPrinting
Imports DevExpress.XtraPrinting.Drawing
Imports DevExpress.Drawing
' ...

Public Sub SetTextWatermark(ByVal ps As PrintingSystem)
   ' Create the text watermark.
   Dim textWatermark As New Watermark()

   ' Set watermark options.
   textWatermark.Text = "CUSTOM WATERMARK TEXT"
   textWatermark.TextDirection = DirectionMode.ForwardDiagonal
   textWatermark.Font = New DXFont(textWatermark.Font.FontFamily, 40)
   textWatermark.ForeColor = Color.DodgerBlue
   textWatermark.TextTransparency = 150
   textWatermark.TextPosition = WatermarkPosition.InFront
   textWatermark.PageRange = "1,3-5"

   ' Add the watermark to the collection.
   ps.Watermarks.Add(textWatermark)
End Sub

Public Sub SetPictureWatermark(ByVal ps As PrintingSystem)
   ' Create the picture watermark.
   Dim pictureWatermark As New Watermark()

   ' Set watermark options.
   pictureWatermark.Image = Bitmap.FromFile("watermark.gif")
   pictureWatermark.ImageAlign = ContentAlignment.TopCenter
   pictureWatermark.ImageTiling = False
   pictureWatermark.ImageViewMode = ImageViewMode.Stretch
   pictureWatermark.ImageTransparency = 150
   pictureWatermark.ImagePosition = WatermarkPosition.Behind
   pictureWatermark.PageRange = "2,4"

   ' Add the watermark to the collection.
   ps.Watermarks.Add(pictureWatermark)
End Sub