how to bind width of child element to width of parent element in silverlight

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I have a grid whose width is "1*". So the actual width desided at runtime I think.
Within that grid i have another grid whose width i want to set to the runtime width of parent grid. How Can i do that in xaml through binding.

Posted 28-Jan-13 20:50pm

Smrutiranjan Parida

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Matej Hlatky · Answer 1 · 2013-01-29T05:00:00

What about setting the child <Grid>'s HorizontalAlignment to Stretch, which is default, in fact?
Also you can always attach to parent <Grid>'s SizeChanged Event[^] and get value from SizeChangedEventArgs[^] or read parent ActualWidth Property.

General Binding approach should look like this:

XML

<grid width="{Binding ElementName=LayoutRoot, Path=ActualWidth}" />

but as I tested it, it worked only in VS designer and not in run-time. Why? -don't know :(

Smrutiranjan Parida · Answer 2 · 2013-01-29T18:42:00

Solution 2

Yes I have previously tried that and the problem is same.And when I add a quick watch it shows actual width 0.0 ;(

Posted 29-Jan-13 18:42pm