Steve
Just a shoot in the dark: try to add This.LockScreen = .F. in the init of your form ( this should repaint it )

>I've had a couple complaints on this behaviour and was wondering if there is a way to stop it.
>
>I have a form which the background is filled with a bitmap image.
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>On the form are 2 listboxes.
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>when the form first loads there are 2 rectangular bands at the bottom of each listbox. each band is colored as the form's backcolor, not as the fill bitmap.
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>when either of the listboxes are clicked, both bands go away and the fill bitmap is displayed properly.
>
>thanks, steve