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PO
 

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    <p>your actual binding will not work cause EffectViewModel has no key and Value Property. i really dont know what your listview should display. if you want a list of EffectViewModels then the Itemssource is right. if you want further for each EffectViewModel to display the settings. then you need somekind of itemsscontrol with Itemssource={Binding Settings}. this itemsscontrol of course will need a itemsstemplate with your Key and Value.</p> <p>i have no VS here atm, but your GridViewColumn needs a kind of CellTemplate. and this template should consist of a itemscontrol. because you have 2collections! this code is probably not right but should take you in the right direction</p> <pre><code>&lt;ListView Width="1000" Height="600" ItemsSource="{Binding EffectWindowViewModel.Effects}"&gt; &lt;ListView.View&gt; &lt;GridView&gt; &lt;GridViewColumn DisplayMemberBinding="{Binding Settings}"&gt; &lt;GridViewColumn.CellTemplate&gt; &lt;DataTemplatex:Key="myCell4Settings"&gt; &lt;ListView ItemsSource="{Binding.}"&gt; &lt;ListView.View&gt; &lt;GridView&gt; &lt;GridViewColumn Width="Auto" DisplayMemberBinding="{Binding Key}" Header="Name" /&gt; &lt;GridViewColumn Width="Auto" DisplayMemberBinding="{Binding Value}" Header="Value" /&gt; &lt;/GridView&gt; &lt;/ListView.View&gt; &lt;/GridViewColumn.CellTemplate&gt; &lt;/GridViewColumn&gt; &lt;/ListView&gt; &lt;/DataTemplate&gt; &lt;/GridView&gt; &lt;/ListView.View&gt; </code></pre> <p></p> <p>btw you could also use 2 lists independent. one parent Combobox or listbox (x:Name=parent) with itemssource=EffectWindowViewModel.Effects and a second ListView like you have, with the itemssource binding:</p> <pre><code>ItemsSource="{Binding ElementName=parent, Path=SelectedItem.Settings}" </code></pre>
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    1. POHow to bind a ListView to an ObservableCollection<KeyValuePair<int,object>> inside a ViewModel in WPF?
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    1. COCan you please show an example for this? I also want to set the ItemsSource to Settings but then how am I gonna specify that it's inside EffectWindowViewModel.Effects (for each instance)?
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      1. USJoan Venge
    2. COBut your observation is right, I want further for each EffectViewModel to display the settings.
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    3. COThanks blindmeis, btw what does it mean when you said "<ListView ItemsSource="{Binding.}">"? I don't know what the "Binding." signifies there?
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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