>Hi Tore
>
>>Instead of making the control invisible, set the background and foreground color to the same value.
>
>Hmm, that will effectively hide the data. Thanks I will think on these lines.

Do the same with .selected*color properties, or else an accidental drag over the control may select it and show the content in selected color. Also, if you have an edit menu on rightclick, disable it to prevent use of clipboard.

Am I paranoid enough? ;)