undo last code in textbox

[sterio]

I have textbox which filter codes as letter I type but I want to make button which undo last code I enter in that text box like:
If I write w59828 in textbox1 and then clear text box1 and write another code like g60808
And I want to get code w59828 back in textbox I hit that button to make that
So I need the code which help me with that

[gmr4evr1]

Did you ever check the link that alansidman provided for you on a very similar post that you posted on the 18th of this month?
Here is the link again if you need it..
http://www.jkp-ads.com/Articles/UndoWithVBA00.asp