That is the opposite of what I am asking. I know how to set a ROI, but how do I let the user draw a bounding box on the document and retrieve the ROI coordinates? The coordinate systems for SetROI and get annotation do not match.

I've tested and used zonal OCR successfully with GdPicture however I'm often guessing at where the actual zones should be. How can I use the viewer to let the user define zones themselves? I know I can create an annotation rectangle and capture the coordinates of it via a custom button and code behi...

We're seeing reports of similar messages as well. Using version 14.0.77. We've tried -1 and also a really large number for the Timeout property, no effect. It isn't consistent either. We are using ASP.NET State Service as the Session Manager. I don't see anywhere to configure additional properties o...