Writing
So You Think You Know C#? Generics Under the Hood
.NET generics retain runtime type arguments. Typed lists avoid boxing value-type elements, while CLR specialization and code sharing preserve distinct types.
Topic
Value and Reference Types
The distinction between variables containing values directly and variables containing references to objects. Field storage, assignment and copying determine how values and shared objects behave.
3 pages
Writing
So You Think You Know C#? The Fundamentals
C# passes arguments by value by default. Integer, string and object examples explain what gets copied, how ref works and which changes reach the caller.
Writing
.NET Memory Allocations and Performance
.NET allocation costs follow what gets stored and copied. Structs, classes, arrays and strings explain object layout, references and garbage collection.