It works. Thanks for the hint with the two different styles for edit
and display mask.

Mirco

--- In IBObjects@y..., Markus Ostenried <chef_007@g...> wrote:
> Mirco,
>
> > I entered "hh:nn" into the column's edit mask
> > and display format fields. Save, compile,
> > run ... shows me "hh:nn" in
>
> IBO behaves totally correct here - you entered
> the wrong EditMask. Try this:
>
> FieldEditMask = '00:00'
> FieldDisplayFormat = 'hh:nn'
>
> Look in the delphi help for TCustomMaskEdit.EditMask
> and FormatDateTime.
>
> HTH,
> Markus