问题
I'm creating a report app, so I render images saved as html in the DB on a web browser using c# and take a screen shot of it to put it in the report.
The problem is if the image is large it doesn't appear fully in screenshot, so I need a method to capture a screen shot for the whole content of the browser regardless of it's size and regardless of scrolling.
来源：https://stackoverflow.com/questions/32883818/how-to-capture-screenshot-of-entire-scrolling-webpage-using-c-sharp