><ComboBox Width="Auto" x:Name="myComboBox" Foreground="{Binding ElementName=myComboBox, Path=SelectedItem.Foreground}"> > <ComboBoxItem Content="Apples" Foreground="Red" /> > <ComboBoxItem Content="Oranges" Foreground="Orange"/> > <ComboBoxItem Content="Pears" Foreground="Green"/> ></ComboBox> >