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WPF - How to acces the tags of 3 comboboxes inside a ListViewItem

Posted By:      Posted Date: September 20, 2010    Points: 0   Category :WPF
 

Hey I have the following problem:

I have a form with a ListView on it and this listview consists of listviewitems with some kind of template which is defined in the gridcolumn celltemplate.  The listview has elements of type "LeidingViewModel.cs" and that class consists of a Property Choices, which in turn consists of 3 observablecollections, which I want to bind on the 3 comboboxes inside the listviewitems. This isnt a problem, I know how to do this.

When I select something from the combobox I want the tag of the first combobox in a listviewitem to contain the choices of all 3 comboboxes together, I have done this using multibinding.  And now comes the problem: how can I acces the tag of the first combobox, when that combobox in fact is declared in a <DataTemplate> and referenced to from the ListView.View GridView.GridViewColumn.CellTemplate?.

Here's my code:

<Window ... xmlns:local="clr-namespace:PiconSalesWPF">
< 

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