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Watermark

Watermarks are text or pictures that appear behind document's text. They often add interest or identify the document status. You can see watermarks in Paged layout mode. They can be printed and exported to all rich-text formats, except HTML.

tip

More on the specifics of the format providers you can find here.

Using UI

You can easily insert bookmarks, for example you can use the RichTextEditor and choose from several predefined watermarks:

richtexteditor-features-watermark 001

Alternatively, you can create your custom watermark from text or picture through the Insert custom watermark option.

richtexteditor-features-watermark 002

Manipulating Watermarks Programatically

There are two types of watermarks - text and image. Both of them are shown behind the contents of the documents - text, images, tables, etc. and are applied on a per document basis.

There is also a set of predefined textual watermarks - the most commonly used ones like ASAP, Urgent, Confidential, etc., that can be easily set in the following way:

this.radRichTextEditor1.SetWatermark(PredefinedWatermarkType.Confidential);

Me.radRichTextEditor1.SetWatermark(PredefinedWatermarkType.Confidential)

You can create custom watermarks using the WatermarkTextSettings and WatermarkImageSettings classes and the respective methods of RadRichTextEditor - SetWatermarkText() and SetWatermarkImage().

The following example demonstrates how to create a text watermark and apply it to the document in the editor:

WatermarkTextSettings textSettings = new WatermarkTextSettings();
textSettings.Text = "Purple Watermark";
textSettings.RotateAngle = 30;
textSettings.Opacity = 1;
textSettings.ForegroundColor = Colors.Purple;
this.radRichTextEditor1.SetWatermarkText(textSettings);

Dim textSettings As New WatermarkTextSettings()
textSettings.Text = "Purple Watermark"
textSettings.RotateAngle = 30
textSettings.Opacity = 1
textSettings.ForegroundColor = Colors.Purple
Me.radRichTextEditor1.SetWatermarkText(textSettings)

And this is how you create an image watermark and apply it:

WatermarkImageSettings imageSettings = new WatermarkImageSettings();
imageSettings.UriSource = uri;
imageSettings.Size = new Size(500, 665);
this.radRichTextEditor1.SetWatermarkImage(imageSettings);

Dim imageSettings As New WatermarkImageSettings()
imageSettings.UriSource = uri
imageSettings.Size = New Size(500, 665)
Me.radRichTextEditor1.SetWatermarkImage(imageSettings)

See Also