Catching what charecter was pressed

I would like to catch every charecter that is pressed before i display it in the Find box this is because i will not be using the english alphabet but i want to do it so that i can apply anything chinese, french , arabic, urdu whatever. The problem is that all the functions that i know that catch key events wouldn't tell me enough information about what the charecter is for instance when i press 2 to get a 'a' the iCode is 50 iModifiers is 32769 but when i press another to to get a 'b' i still have the same numbers. I would like to find a way to know what charecter is pressed so that i can modify it before displaying it in the field