
Writing
C# Class Factory - High Performance
A Factory decouples payment processing from concrete classes, discovers implementations, and caches constructor delegates built with DynamicMethod and ILGenerator.

Topic
Inspecting types and members at runtime and invoking capabilities that are not fixed in the calling code. In .NET, reflection also supports generating executable methods through Reflection.Emit.
1 page

Writing
A Factory decouples payment processing from concrete classes, discovers implementations, and caches constructor delegates built with DynamicMethod and ILGenerator.