While there are similarities aplenty between a class and a struct, there are some distinct differences too. Most importantly, a struct unlike a class, is a value type. So, while instances of a class ...

I'm trying to check whether a <B>Point</B> has been initialised.<BR><pre class="ip-ubbcode-code-pre">if(previousPt == null)<BR>{<BR> previousPt = new Point(0,0);<BR ...