TASK LIST =====> next task: .NET framework compatibilty

next task: 1).NET framework compatibility. can wrap an article on how to use these tools. 2) review source code of obfuscation 3) rebuild resource refactor to Visual Studio 2015.

1. Introduction to .NET Framework Compatibility
2. Microsoft/dotnet-apiport
3. C# and Visual Basic - Use Roslyn to Write a Live Code Analyzer for Your API
4. .NET Compatibility Diagnostics 0.4.2