I got a question from a reader last night who was looking at some code from one of my Xamarin seminars.
Ryan asked about how to extract the content from a pdf file, draw on it, and email it in iOS.
One way to do this is using Core Graphics, as shown in the following snippet:
If you have a question feel free to contact me through my blog. I get lots of questions like this, but I do my best to respond to them all.