Mike,

>A couple of wild guesses:
>
>- maybe related to selstart and sellength on the textbox

there's no selected text in the edt at the time of the second attempted paste

>- trailing newline?

the trailing newline is needed, the editbox is basically becoming a set of lines of values to undergo further processing.

the only overridden properties aor for size/postion and binding the control to a form property.