I can't tell you. It's a secret!

Seriously. Have a look at http://www.dotnet247.com/247reference/msgs/13/66667.aspx


>What's the secret to changing the back color of an MDI parent form in a VB.NET Windows app? I've changed the backcolor property of the form in the properties window - but this doesn't seem to do anything... (i.e. the backcolor stays dark grey).
>
>For all other forms, changing the backcolor property works just fine, but not for the MDI parent form.