TargetNullValue, como defina a String do Windows Resource [WPF

Question

Olá, gostaria de definir o valor padrão para vincular a propriedade de texto.

Nas viúvas Recursos, tenho valores de string const:

<Window.Resources>
    <sys:String x:Key="constSex">Pohlavie</sys:String>
    <sys:String x:Key="constAge">Age</sys:String>
    <sys:String x:Key="constRegion">Region</sys:String>
    <sys:String x:Key="constCity">Mesto</sys:String>
    <sys:String x:Key="constPhotoAlbums">Fotoalbumov: 0</sys:String>
    <sys:String x:Key="constVideoAlbums">Videoalbumov :0</sys:String>
</Window.Resources>

Eu tenho essa ligação para o TextBlock:

        <TextBlock Style="{StaticResource InfosStyle2}" Width="160" Grid.Row="0" HorizontalAlignment="Left">
            <TextBlock.Text>
                <MultiBinding StringFormat="{}{0}, {1}">
                    <Binding Path="Info.Sex" TargetNullValue="constSex" Mode="OneWay" UpdateSourceTrigger="PropertyChanged" Converter="{StaticResource sexConvertor}" />
                    <Binding Path="Info.Age" TargetNullValue="constAge" Mode="OneWay" UpdateSourceTrigger="PropertyChanged"/>                            
                </MultiBinding>
            </TextBlock.Text>
        </TextBlock>

O problema é que, se as informações variáveis. PRORTIES O texto tem o nome de valor da variável string, nenhum valor da variável string.

Answer 1

TargetNullValue="{StaticResource constSex}"