text_watermark

Sample - Apply a text watermark to PDF using C#

The C# sample provided in this section uses the Muhimbi PDF Converter Services Online to apply a text watermark to a PDF file.

Additional sample code to convert, merge, watermark, secure and OCR files can be found here.

Full details about the text_watermark method, fields and properties can be found in the Wiki.

Downloading the sample

Download the sample code using a method of your choice. Some examples are provided below.

• Git: Clone the entire repository to your system. You can find the examples under the clients/v1/csharp/samples folder.
  

  git clone https://github.com/Muhimbi/PDF-Converter-Services-Online

• SVN: A common trick to download only part of a Git repository is to use svn. Download only the C# client and sample code using the following command.
  

  svn export https://github.com/Muhimbi/PDF-Converter-Services-Online/trunk/clients/v1/csharp

• ZIP: Download a ZIP archive of the entire repository. Once downloaded, you can find the examples under the clients/v1/csharp/samples folder.

Use a valid (or trial) subscription

In order to successfully execute the sample code, make sure you have a valid subscription, either a full one or the 30 day trial.

❗ Each subscription comes with a unique api_key. Before executing the sample, please insert your key in the code. ❗

Building and running the sample

Make sure the prerequisites are in place. The sample code expects the client libraries to be present under ../../client/bin.

There are many ways to compile C# code. Use one of the following:

• msbuild: Execute build_and_run.bat to compile the code (using the stock .NET 4 compiler) and run the example. To use a different version of msbuild, change the path in the batch file.

• xbuild (mono): Execute build_and_run.sh on a system with Mono 3 or later installed. This will compile the sample and run it.

• Visual Studio: Open sample.csproj in Visual Studio and use CTRL-F5 to build and execute the sample.

Once the sample has finished executing, it will attempt to launch the generated PDF in the system's default PDF Viewer. If this is not configured (or not possible under Linux) then the generated PDF file can be found in the bin/Debug folder.

If you have any questions or comments then please contact our friendly support desk.