C#
using System;
using System.Drawing;
using System.IO;
using System.Reflection;
using Aspose.Words;
using Aspose.Words.Drawing;
using Aspose.Words.Fields;
namespace AddWatermark
{
public class Program
{
public static void Main(string[] args)
{
// Sample infrastructure.
string exeDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + Path.DirectorySeparatorChar;
string dataDir = new Uri(new Uri(exeDir), @"../../Data/").LocalPath;
Document doc = new Document(dataDir + "TestFile.doc");
InsertWatermarkText(doc, "CONFIDENTIAL");
doc.Save(dataDir + "TestFile Out.doc");
}
/// <summary>
/// Inserts a watermark into a document.
/// </summary>
/// <param name="doc">The input document.</param>
/// <param name="watermarkText">Text of the watermark.</param>
private static void InsertWatermarkText(Document doc, string watermarkText)
{
// Create a watermark shape. This will be a WordArt shape.
// You are free to try other shape types as watermarks.
Shape watermark = new Shape(doc, ShapeType.TextPlainText);
// Set up the text of the watermark.
watermark.TextPath.Text = watermarkText;
watermark.TextPath.FontFamily = "Arial";
watermark.Width = 500;
watermark.Height = 100;
// Text will be directed from the bottom-left to the top-right corner.
watermark.Rotation = -40;
// Remove the following two lines if you need a solid black text.
watermark.Fill.Color = Color.Gray; // Try LightGray to get more Word-style watermark
watermark.StrokeColor = Color.Gray; // Try LightGray to get more Word-style watermark
// Place the watermark in the page center.
watermark.RelativeHorizontalPosition = RelativeHorizontalPosition.Page;
watermark.RelativeVerticalPosition = RelativeVerticalPosition.Page;
watermark.WrapType = WrapType.None;
watermark.VerticalAlignment = VerticalAlignment.Center;
watermark.HorizontalAlignment = HorizontalAlignment.Center;
// Create a new paragraph and append the watermark to this paragraph.
Paragraph watermarkPara = new Paragraph(doc);
watermarkPara.AppendChild(watermark);
// Insert the watermark into all headers of each document section.
foreach (Section sect in doc.Sections)
{
// There could be up to three different headers in each section, since we want
// the watermark to appear on all pages, insert into all headers.
InsertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HeaderPrimary);
InsertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HeaderFirst);
InsertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HeaderEven);
}
}
private static void InsertWatermarkIntoHeader(Paragraph watermarkPara, Section sect, HeaderFooterType headerType)
{
HeaderFooter header = sect.HeadersFooters[headerType];
if (header == null)
{
// There is no header of the specified type in the current section, create it.
header = new HeaderFooter(sect.Document, headerType);
sect.HeadersFooters.Add(header);
}
// Insert a clone of the watermark into the header.
header.AppendChild(watermarkPara.Clone(true));
}
}
}