[IronPython] Silverlight DataBinding Not Working

Shyam Gopale sgopale at gmail.com
Thu Dec 31 04:54:17 CET 2009

But, I am just doing binding between elements. Is this still required. If
you see my XAML I am just binding the value of a slider to the fontsize of a
textblock. I am not sure if the Ironpython code hits that path.


On Wed, Dec 30, 2009 at 10:02 PM, Lukas Cenovsky <cenovsky at bakalari.cz>wrote:

>  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:
> http://gui-at.blogspot.com/2009/11/inotifypropertychanged-and-databinding.html
> --
> -- Lukáš
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