diff.setTime(Math.abs(date1.getTime() - date2.getTime()));
timediff = diff.getTime();
weeks = Math.floor(timediff / (1000 * 60 * 60 * 24 * 7));
timediff -= weeks * (1000 * 60 * 60 * 24 * 7);
days = Math.floor(timediff / (1000 * 60 * 60 * 24));
timediff -= days * (1000 * 60 * 60 * 24);
hours = Math.floor(timediff / (1000 * 60 * 60));
timediff -= hours * (1000 * 60 * 60);
mins = Math.floor(timediff / (1000 * 60));
timediff -= mins * (1000 * 60);
secs = Math.floor(timediff / 1000);
timediff -= secs * 1000;
alert(weeks + " weeks, " + days + " days, " + hours + " hours, " + mins + " minutes, and " + secs + " seconds");
Объявить ItemTemplate с помощью TextBlock, который не использует стиль TextBlock по умолчанию:
<Style TargetType="ComboBox">
<Setter Property="FontSize" Value="8"/>
<Setter Property="Height" Value="25"/>
<Setter Property="Foreground" Value="Green" />
<Setter Property="ItemTemplate">
<Setter.Value>
<DataTemplate>
<TextBlock Text="{Binding}"/>
</DataTemplate>
</Setter.Value>
</Setter>
</Style>