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GroupDocs.Watermark Overview
Getting Started
Features Overview
Supported Document Formats
System Requirements
Installation
Evaluation Limitations and Licensing
How to Run Examples
Developer Guide
Basic Usage
Get document info
Get supported file formats
Add text or image watermark
Advanced Usage
Loading documents
Load from local disk
Load from stream
Load document of specific format
Load password-protected document
Adding watermarks
Adding image watermarks
Adding text watermarks
Add watermarks to diagram documents
Existing objects in diagram document
Add watermarks to email attachments
Email attachments
Email messages
Add watermarks to images
Adding watermark to images inside a document
Add watermarks to PDF documents
Attachments in PDF document
Existing objects in PDF document
Rasterize document or page
Watermarks in PDF document
Add watermarks to PowerPoint presentations
Working with slide backgrounds
Add watermarks to spreadsheet documents
Shapes in spreadsheet document
Working with spreadsheet document attachments
Working with worksheet backgrounds
Working with worksheet headers and footers
Add watermarks to word processing documents
Existing objects in word processing document
Locking watermark in word processing document
Protecting word processing documents
Watermarks in word processing document
Saving documents
Save document to the same file or stream
Save document to the specified location
Save document to the specified stream
Searching and modifying watermarks
Modifing found watermark properties
Removing found watermarks
Searching watermarks
Migration Notes
Known Issues
.NET Standard 2.0 API Limitations
Release Notes
Release Notes - 2021
GroupDocs.Watermark for .NET 21.3 Release Notes
Release Notes - 2020
GroupDocs.Watermark for .NET 20.7 Release Notes
GroupDocs.Watermark for .NET 20.5 Release Notes
GroupDocs.Watermark for .NET 20.2 Release Notes
Release Notes - 2019
GroupDocs.Watermark for .NET 19.11 Release Notes
GroupDocs.Watermark for .NET 19.10 Release Notes
GroupDocs.Watermark for .NET 19.5.1 Release Notes
GroupDocs.Watermark for .NET 19.5 Release Notes
Release Notes - 2018
GroupDocs.Watermark for .NET 18.8 Release Notes
GroupDocs.Watermark for .NET 18.6 Release Notes
GroupDocs.Watermark for .NET 18.3 Release Notes
GroupDocs.Watermark for .NET 18.2 Release Notes
GroupDocs.Watermark for .NET 18.1 Release Notes
Release Notes - 2017
GroupDocs.Watermark for .NET 17.12 Release Notes
GroupDocs.Watermark for .NET 17.11 Release Notes
GroupDocs.Watermark for .NET 17.10.0 Release Notes
GroupDocs.Watermark for .NET 17.9.0 Release Notes
GroupDocs.Watermark for .NET 17.8.0 Release Notes
GroupDocs.Watermark for .NET 17.7.0 Release Notes
GroupDocs.Watermark for .NET 17.6.0 Release Notes
GroupDocs.Watermark for .NET 17.5.0 Release Notes
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GroupDocs.Watermark Product Family
GroupDocs.Watermark for .NET
Release Notes
Release Notes - 2021
Release Notes - 2021
Articles in this section
GroupDocs.Watermark for .NET 21.3 Release Notes
Release Notes
GroupDocs.Watermark for .NET 21.3 Release Notes