WPF - access a property value from the StringFormat binding property in XAML

Question

Is it possible to access a property value from the StringFormat binding property in XAML? I mean, this is my XAML:

<TextBox Name="costBlock" Grid.Row="4" Grid.Column="1" Margin="4" IsEnabled="False"
    Text="{Binding DataContext.CalculatedCost, Mode=OneWay, StringFormat={}{0} €}"></TextBox>

I need to replace the "€" symbol in the StringFormat bindingby the symbol of the selected currency, which is a property in a static class: Settings.SelectedCurrencySymbol.

How can I do it?

Use a MultiBinding with an IMultiValueConverter.

Clemens
– Clemens

2017-09-30 09:50:11 +00:00
Commented Sep 30, 2017 at 9:50 — Clemens
– Clemens, Commented Sep 30, 2017 at 9:50

chincheta73 · Accepted Answer · 2017-09-30 11:19:05Z

2

Thanks to Clemens reccommendation I found this solution:

<TextBlock Name="costBlock" Grid.Row="4" Grid.Column="1" Margin="4" 
    IsEnabled="False">
        <TextBlock.Text>
            <MultiBinding StringFormat="{}{0} {1}">
                <Binding Path="DataContext.CalculatedCost" />
                <Binding Path="(shared:Settings.SelectedCurrencySymbol)" />
            </MultiBinding>
        </TextBlock.Text>
    </TextBlock>

answered Sep 30, 2017 at 11:19

chincheta73

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