I'm trying to check whether a Point has been initialised. Hmmm. Now, I'm guessing that I can't do this because Point is a struct, and only classes are initialised to null. Any suggestions why this ...

The difference between Structs and Classes isn't about data vs. code: it's about what happens when you move the data around. And sometimes you want a Struct, not a Class. Many times, when you create a ...