I'm an old C/C++ programmer so I apologize in advance if this questions is common knowledge to all the Visual Basic developers out there... I've gotten tripped up a few times when a variable was passed to a function/method by reference rather than by value. I've noticed that simple variables (integer, decimal, etc.) seem to be passed ...

Jack: Is there a function to see if a integer is a number or a letter or some other symbol(!, @, #, $, $, etc.)? If there isn't any function to do that I will hve to think of a way to do it. There has to be a way. I have attached a short program that includes a Text class that will convert letters to their ANSI values and convert values ...

I've got a simple question about the scope and visibility of variables. From within a class, how -- if at all -- can you access "global" variables, that is, those defined within the scope of the main program body but outside the Main method? I can't see any syntax that will let you do this. On a similar but related issue, is ...