Odd one here was found in Ranorex testing.
Delphi 12 VCL
Drop Tadvedit on a form.
Drop Tmemo on a form ( logging )
Set onChange event for the Tadvedit to write to the memo.
Run program...
Click into Tadvedit
It selects all the text for you.
Hit Ctrl-A ( yes, i know, it is already selected for you )
Hit Del Key - No onChange Event
Now, Restart program.
Click in the TADVEdit box.
Just hit back space.
onChange runs twice.
Video @ Form138 - Gyazo
Source here.
tadvedit-odd.zip (1.7 KB)