Bind and Itemscontrol to more than one source?

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So basically I have an ItemsControl that is bound to a collection of UI elements and displays that collection in a canvas. I was wondering if it's possible to bind the ItemsSource of an ItemsControl to more than one source? Because I have another collection of UI elements that I want to display in that same canvas but I don't know how to do that. If it's not possible can anyone suggest a workaround? Thanks!

Posted 19-Jul-10 11:01am

industryunleash

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Rob Graham · Answer 1 · 2010-07-19T11:07:00

Solution 1

Create a new collection that copies the items from both the others and bind to that?

Posted 19-Jul-10 11:07am

Rob Graham

Comments

industryunleash 19-Jul-10 17:16pm

That would probably work except that each collection is displayed in the UI using different templates, so this bigger collection would have to be able to tell the UI which template to use when.

Pete O'Hanlon · Answer 2 · 2010-07-20T10:45:00

Solution 2

The DataContext can be set anywhere up the visual tree, so you can set it directly at the point that needs to be used. This means that you don't need to worry about this, because your second UI elements can bind to a different DataContext instead.

Posted 20-Jul-10 10:45am

Pete O'Hanlon

jmix90 · Answer 3 · 2010-09-21T11:40:00

Hello,

I think this is the example you are looking for :

XML

<ListBox Name="listbox" DisplayMemberPath="Test">
       <ListBox.ItemsSource>
           <CompositeCollection>
               <CollectionContainer Collection="{Binding Source={StaticResource myDataSource2}, Path=One}"/>
               <CollectionContainer Collection="{Binding Source={StaticResource myDataSource}, Path=Two}"/>
               <CollectionContainer Collection="{Binding Source={StaticResource myDataSource}, Path=Three}"/>
           </CompositeCollection>
       </ListBox.ItemsSource>
   </ListBox>

Hope this help you !