officefileapi-devexpress-dot-xtrarichedit-dot-api-dot-native-d288d0a1.md
Manages document watermarks.
Namespace : DevExpress.XtraRichEdit.API.Native
Assembly : DevExpress.RichEdit.v25.2.Core.dll
NuGet Package : DevExpress.RichEdit.Core
public interface WatermarkManager
Public Interface WatermarkManager
The following members return WatermarkManager objects:
WatermarkManager allows you to add and remove watermarks without access to the watermark itself. You can use text or an image as a watermark.
Watermarks are located in section headers. If a document does not contain headers, WatermarkManager adds headers of the Primary type to all document sections.
If the document has multiple sections, WatermarkManager adds the same watermark to each section and each existing section header (first, primary, odd, or even).
The WatermarkManager.Type property indicates whether the document has watermarks. The property returns WatermarkType.None if the document does not contain watermarks.
The code sample below adds a text watermark to all document pages.
using (RichEditDocumentServer wordProcessor = new RichEditDocumentServer())
{
wordProcessor.LoadDocument("DocumentProtection.docx");
TextWatermarkOptions textWatermarkOptions = new TextWatermarkOptions();
textWatermarkOptions.Color = System.Drawing.Color.LightGray;
textWatermarkOptions.FontFamily = "Calibri";
textWatermarkOptions.Layout = WatermarkLayout.Diagonal;
textWatermarkOptions.Semitransparent = true;
wordProcessor.Document.WatermarkManager.SetText("CONFIDENTIAL", textWatermarkOptions);
wordProcessor.SaveDocument("DocumentProtection_new.docx", DocumentFormat.Docx);
}
Using wordProcessor As New RichEditDocumentServer()
wordProcessor.LoadDocument("DocumentProtection.docx")
Dim textWatermarkOptions As New TextWatermarkOptions()
textWatermarkOptions.Color = System.Drawing.Color.LightGray
textWatermarkOptions.FontFamily = "Calibri"
textWatermarkOptions.Layout = WatermarkLayout.Diagonal
textWatermarkOptions.Semitransparent = True
wordProcessor.Document.WatermarkManager.SetText("CONFIDENTIAL", textWatermarkOptions)
wordProcessor.SaveDocument("DocumentProtection_new.docx", DocumentFormat.Docx)
End Using
See Also