Conversion Operators (C# Programming Guide) C# enables
programmers to declare conversions on classes or structs so that
classes or structs can be converted to and/or from other classes
or structs, or basic types. Conversions are defined like
operators and are named for the type to which they convert.
Either the type of the argument to be converted, or the type of
the result of the conversion, but not both, must be the
containing type. For more information: