Add Text Redaction Annotation

How to add Text Redaction Annotation in C#

Text redaction annotation fills part of text with black rectangle (used if you want to hide some text) like shown at the picture below.

There is an ability to specify the next properties for TextRedactionAnnotation type

Points - annotation positions set by array of points.

Follow these steps to add text redaction annotation to document:

Instantiate Annotator object with input document path or stream;
Instantiate TextRedactionAnnotation object with desired properties (position, page number, etc);
Call Add method and pass TextRedactionAnnotation object;
Call Save method with resultant document path or stream.

The following code demonstrates how to add TextRedactionAnnotation to the document:

More resources

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

Add Arrow Annotation