C# APNG Library supporting reading and writing. Provides a Windows Forms control for rendering. The repo also contains a basic viewer application. Special thanks to the project for XNA which saved a ton of time: https://github.com/xupefei/APNG.NET
I've made a nice viewer based on yours. In Windows 7, it gives a pretty cool result:
But in Windows 10, it's another thing:
Is there any way to change the background to white instead of dark? I've tried all possible things for transparency in Windows Forms I've found on Internet.
This happens to be an issue on non-Windows builds. Found on Mac OSX.
It turns out that the issue is actually a bug in Mono System.Drawing.Graphics and is dependent on a fix on their side.