ImageGear for C and C++ on Windows v19.10 - Updated
Redaction
User Guide > How to Work with... > Annotations > New Annotation API: ArtX > ArtX Annotation Marks > ART 2.0 Legacy Marks > Redaction

The Redaction mark enables end users to hide or black out areas of their annotated image or document.

Edit Mode

In Edit mode, end users create a mark as follows:

  1. Click the Redaction button, and then drag the resulting rectangle over the items to cover. The rectangle covers whatever is underneath it. 
  2. Right-click the mark after it has been created to activate the popup edit menu.