[#61] Windows: Use red and green color to indicate type of WineVariety

Elwig/Windows/PaymentVariantsWindow.xaml

@@ -128,7 +128,7 @@
                     VerticalAlignment="Center" HorizontalAlignment="Right" Width="25" Height="25" Margin="5,60,5,0" Grid.RowSpan="2"
                     Click="DeleteButton_Click"/>
 
-            <TextBox x:Name="DataInput" Text="{Binding Data}" IsReadOnly="{Binding DataIsReadOnly}"
+            <TextBox x:Name="DataInput" Text="{Binding Data, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" IsReadOnly="{Binding DataIsReadOnly}"
                      Margin="10,200,35,10"
                      HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Height="auto"
                      AcceptsReturn="True" VerticalScrollBarVisibility="Visible" HorizontalScrollBarVisibility="Auto"