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V24.1

WatermarkFormat.SetImage(DocumentImageSource) Method

Replaces the watermark image.

Namespace: DevExpress.XtraRichEdit.API.Native

Assembly: DevExpress.RichEdit.v24.1.Core.dll

NuGet Packages: DevExpress.RichEdit.Core, DevExpress.Win.Navigation

Declaration

void SetImage(
    DocumentImageSource imageSource
)

Parameters

Name Type Description
imageSource DocumentImageSource

A new watermark image.

Remarks

The following code adds an image watermark to the entire document and then changes the image for the watermark located in the primary header of the first section:

using DevExpress.XtraRichEdit;
using DevExpress.XtraRichEdit.API.Native;
using System.Drawing;
using System.Linq;
// ...

document.LoadDocument(@"Documents\Watermarks.docx");

// Add an image watermark to the document.
document.WatermarkManager.SetImage(DocumentImageSource.FromFile(@"Images\DevExpressLogo.png"));

// Access the first document section.
Section firstSection = document.Sections[0];

// Obtain the section's primary header.
SubDocument headerContent = firstSection.BeginUpdateHeader();
// Retrieve the header's watermark.
var watermark = headerContent.Shapes.SingleOrDefault(x => x.Type == ShapeType.Watermark);
// Change the watermark image.
if (watermark != null && watermark.WatermarkFormat.Type == WatermarkType.Image)
{
    watermark.WatermarkFormat.SetImage(Image.FromFile(@"Images\DevAVLogo.png"));
}
firstSection.EndUpdateHeader(headerContent);
document.SaveDocument(@"Documents\WatermarksUpd.docx", DocumentFormat.OpenXml);
See Also