[IronPython] Silverlight DataBinding Not Working

Lukas Cenovsky cenovsky at bakalari.cz
Wed Dec 30 17:32:53 CET 2009

Shyam Gopale wrote:
> Hi,
> I am trying out some sample Silverlight code with IronPython and I 
> found that the data binding does not work properly.
> The app.xaml is as below:
> <UserControl x:Class="System.Windows.Controls.UserControl"
> xmlns="http://schemas.microsoft.com/client/2007"
> xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
> <Grid x:Name="layout_root" Background="White">
> <StackPanel>
> <Slider x:Name="sliderFontSize" Margin="3" Minimum="1" Maximum="40" 
> Value="10" />
> <TextBlock x:Name="lblMessage" Text="Hello World" Margin="5" 
> FontSize="{Binding ElementName=sliderFontSize, 
> Path=Value,Mode=TwoWay}"></TextBlock>
> <Button x:Name="cmdClickMe" Content="Click Me!" Margin="5"></Button>
> </StackPanel>
> </Grid>
> </UserControl>
> This XAML when used in a C# Silverlight app reflects the correct data 
> binding behaviour but does not work when used with IronPython and 
> Chiron. Mainly the font size of the text block is not updated.
> Does anyone have any idea about this?
Check my blog about binding in Silverlight:

-- Lukáš

More information about the Ironpython-users mailing list