VB6 Resource

Sell VB 6 products and has some decent help on InStr().
http://www.aivosto.com/vb.html

VB6 Large String Builder Class

http://www.15seconds.com/howto/pg000929.htm

String Concat

VB6 String Concatenation

Using the '&' operator and not the '+' operator

Focus

How do I handle focus?

Searching the internet.

Found this site of VB6: http://www.geekpedia.com/tutorial16_Getting-Started-With-Visual-Basic-6.0.html

Here is the MS VB6 documentation page: http://msdn.microsoft.com/en-us/library/ms950408.aspx

Here is the page on events: http://msdn.microsoft.com/en-us/library/aa338130(VS.60).aspx

Found the lost focus event for the text: http://msdn.microsoft.com/en-us/library/aa445511(VS.60).aspx