Quite often, you want to customize the colors shown in your dialogs. Maybe a unique, original look is required (and you don t want to go all the way into skinning) perhaps a red background seems suitable for critical error messages if you ve developed a complex dialog, parts of which serve as drop targets, you might want to emphasize those: or, in a form with required fields, you might want a different color for them. -Quite often, you want to customize the colors shown in your dialogs. Maybe a unique, original look is required (and you don t want to go all the way into skinning) perhaps a red background seems suitable for critical error messages if you ve developed a complex dialog, parts of which serve as drop targets, you might want to emphasize those: or, in a form with required fields, you might want a different color for them.