Converters with Parameters

Converter

[ValueConversion(typeof (object), typeof (string))]

public class StringFormatConverter : IValueConverter {

  public object Convert(object i_value, Type i_targetType, object i_parameter,                              System.Globalization.CultureInfo i_culture) {

    string _format = i_parameter as string;

    if (!string.IsNullOrEmpty(format)) {

         return string.Format(i_culture, _format, i_value);

        }

    return i_value.ToString();

  }

…

}

XAML

<Window.Resources>

  <HierarchicalData:Employee x:Key="myEmployee" FirstName="George" LastName="Lache" Position="DEV" Salary="2000"></HierarchicalData:Employee>

  <Converter:StringFormatConverter x:Key="StringFormatConverter" />

</Window.Resources>

<StackPanel DataContext="{StaticResource myEmployee}">

  <Label Content="{Binding FirstName, Converter={StaticResource StringFormatConverter}, ConverterParameter='Many thanks to {0}'}" />

  <Label Content="{Binding Salary, Converter={StaticResource StringFormatConverter}, ConverterParameter='My salary is thanks to {0:c}'}" />

  <Label Content="{Binding Salary, Converter={StaticResource StringFormatConverter}, ConverterParameter=\{0:c\}}" />

  <TextBox Text="{Binding Path=Salary, StringFormat=\{0:c\}}" />

</StackPanel>




Result