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POWPF UserControl exposing inner listitems
 

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    <p>I'm trying to write a UserControl to display a list of items where each of these items is a title and a group of checkboxes. This whole will represent a form of data where the person filling it in is answering a list of questions with a 1 to 4 value. This all works and binds nicely to the window's ViewModel.</p> <p>But I've currently got the answers hardcoded in the UserControl as follows:</p> <pre><code>&lt;ListBox ItemsPanel="{StaticResource HorizontalScores}" Style="{StaticResource styleOuterListBox}" ItemContainerStyle="{StaticResource styleOuterListBoxItem}"&gt; &lt;ListBoxItem&gt;Never&lt;/ListBoxItem&gt; &lt;ListBoxItem&gt;Sometimes&lt;/ListBoxItem&gt; &lt;ListBoxItem&gt;Often&lt;/ListBoxItem&gt; &lt;ListBoxItem&gt;Always&lt;/ListBoxItem&gt; &lt;/ListBox&gt; </code></pre> <p>I would like to set these from the window's XAML or from the ViewModel as they will be different for other forms but can't see the correct incantation. How do I remove the ListBoxItems from the UserControl and use databinding instead? </p> <p>BigEdit ...</p> <p>Ok, this is the actual user control (it looks hideous but that's not the point):</p> <pre><code>&lt;UserControl x:Class="BussPerry.Scorer" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:vm="clr-namespace:BussPerry.ViewModel" xmlns:local="clr-namespace:BussPerry"&gt; &lt;UserControl.Resources&gt; &lt;SolidColorBrush x:Key="SelectedBackgroundBrush" Color="Gray" /&gt; &lt;SolidColorBrush x:Key="SelectedForegroundBrush" Color="Red" /&gt; &lt;ItemsPanelTemplate x:Key="HorizontalScores"&gt; &lt;StackPanel Orientation="Horizontal" /&gt; &lt;/ItemsPanelTemplate&gt; &lt;Style x:Key="styleListBox" TargetType="{x:Type ListBox}"&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type ListBox}"&gt; &lt;ItemsPresenter Margin="2" /&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;Style x:Key="styleListBoxItem" TargetType="{x:Type ListBoxItem}"&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type ListBoxItem}"&gt; &lt;CheckBox Name="CheckBox" Padding="1" Width="60" IsChecked="{Binding Path=IsSelected, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"&gt; &lt;ContentPresenter HorizontalAlignment="Center"/&gt; &lt;/CheckBox&gt; &lt;ControlTemplate.Triggers&gt; &lt;Trigger Property="IsSelected" Value="True"&gt; &lt;Setter TargetName="CheckBox" Property="Background" Value="{StaticResource SelectedBackgroundBrush}" /&gt; &lt;Setter TargetName="CheckBox" Property="Foreground" Value="{StaticResource SelectedForegroundBrush}" /&gt; &lt;/Trigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;/UserControl.Resources&gt; &lt;ListBox ItemsPanel="{StaticResource HorizontalScores}" Style="{StaticResource styleListBox}" ItemContainerStyle="{StaticResource styleListBoxItem}" SelectedIndex="{Binding Path=Score}"&gt; &lt;ListBoxItem&gt;Never&lt;/ListBoxItem&gt; &lt;ListBoxItem&gt;Sometimes&lt;/ListBoxItem&gt; &lt;ListBoxItem&gt;Often&lt;/ListBoxItem&gt; &lt;ListBoxItem&gt;Always&lt;/ListBoxItem&gt; &lt;/ListBox&gt; &lt;/UserControl&gt; </code></pre> <p>And it's being called as follows:</p> <pre><code>&lt;ListView Name="listviewScores" ItemsSource="{Binding Path=Scores}" Margin="5" BorderThickness="0" Background="Transparent" Focusable="False" Grid.Row="3"&gt; &lt;ListView.View&gt; &lt;GridView ColumnHeaderContainerStyle="{StaticResource styleHiddenHeader}"&gt; &lt;GridView.Columns&gt; &lt;GridViewColumn&gt; &lt;GridViewColumn.CellTemplate&gt; &lt;DataTemplate&gt; &lt;TextBlock Text="{Binding Path=Index}" HorizontalAlignment="Right" /&gt; &lt;/DataTemplate&gt; &lt;/GridViewColumn.CellTemplate&gt; &lt;/GridViewColumn&gt; &lt;GridViewColumn DisplayMemberBinding="{Binding Path=Title}" /&gt; &lt;GridViewColumn &gt; &lt;GridViewColumn.CellTemplate&gt; &lt;DataTemplate&gt; &lt;local:Scorer &gt; &lt;/local:Scorer&gt; &lt;/DataTemplate&gt; &lt;/GridViewColumn.CellTemplate&gt; &lt;/GridViewColumn&gt; &lt;/GridView.Columns&gt; &lt;/GridView&gt; &lt;/ListView.View&gt; &lt;/ListView&gt; </code></pre> <p>What I want to do is to move the Never/Sometimes/Often/Always listboxitems from being hard coded in the user control to be databound.</p> <p>(Suggestions of "you don't want to do it like that" are also welcome!)</p>
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    1. COI've been struggling with different techniques to expose properties to inner controls as well. Data binding works in most scenarios but there seems to be some problems when using this type of databinding to Collection of items that may contain ui elements. In this case the databinding on those elements seems to be wrong.
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