I previously had asked about mouse wheel scrolling in TRI-PLC programming software. It is very convenient to scroll up and down in the source code with the mouse wheel.
I have discovered a solution in a small software package that lets you assign the mouse wheel control by application. The website is
http://www.ardamax.com/mwc/ it is free to try for 30 days $14.95 to buy.
The control needs to be set to the Javaw.exe file in your Java directory. I allows you to define control action and assignment. I'm sure there are other programs to do this, but this one worked for me.
One less development task for TRI-PLC.
Cheers !