>I see the young chicken has been helped by Viv
>
>The best way to learn is to make a class (or struct) for eg complex. Then implement the operators + - / *
>
>Then if you want to be able to write something like
>

>Complex c = new Complex(1,2);
>
>c = c + 2;  //  2 is an int
>

>If you want the above operation to succeed you'll have to define an 'implicit cast' in your complex type
>Then the compiler will first convert/cast 2 into/to complex(2,0), and then use the result of that to do the addition
>
>eg
>

>// this tells the compiler that there's an implicit  conversion/cast from an int to a complex possible
>//  (this is done when there's no loss of precision)
>public static implicit operator Complex(int i)
>{
>   return new Complex(i, 0);
>}
>
>

>
>Explicit operators define conversions that have to be cast, like
>

>double d = 1.5;
>int i = (int) d;
>
>int j = d; // will give an error
>
>
>but this will work
>
>d = 3;
>d = i;
>

>
>If you come across the term 'widening' in C#, then it means an implicit cast

Thanks. Can you post an example from your class with other operators (+,-, etc.) defined to complete the lesson? And please give a link (and if possible in VB.NET as well - since I may work with it too).

Thanks again.