Write a multiconverter instead:
<TextBlock FontSize="16" FontFamily="GE Inspira Medium" VerticalAlignment="Center" Foreground="Black"> <TextBlock.Text > <MultiBinding Converter="{StaticResource flowRateUnitConverter}"> <Binding Path="FlowRate"/> <Binding Path="Unit"/> </MultiBinding> </TextBlock.Text> </TextBlock>
MultiConverter class
public class FlowRateUnitConverter : IMultiValueConverter { public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { if (values[0] == null || values[1] == null) return string.Empty; float? flowRate=values[0] as float?; string unit = values[1] as string; string convertedValue = values[0].ToString(); switch(unit) { case "L/Hr": convertedValue = (flowRate.Value * 60).ToString(); break; default: break; } return convertedValue; } public object[] ConvertBack( object value, Type[] targetTypes, object parameter, CultureInfo culture) { throw new NotSupportedException(); } }
