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POSet focus to a button in a new TabItem
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  1. POSet focus to a button in a new TabItem
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    copied!<p>I use a TabControl to display a list of items. The ItemView is a separate control I wrote.</p> <pre><code> &lt;TabControl SelectedItem="{Binding CurrentItem}" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding ItemList}"&gt; &lt;TabControl.ContentTemplate&gt; &lt;DataTemplate&gt; &lt;ctrls:ItemView/&gt; &lt;/DataTemplate&gt; &lt;/TabControl.ContentTemplate&gt; &lt;TabControl.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;TextBlock Text="{Binding ShortItemDescription}"/&gt; &lt;/DataTemplate&gt; &lt;/TabControl.ItemTemplate&gt; &lt;/TabControl&gt; </code></pre> <p>If the user presses a Button a new ViewModel is added to the list of ViewModels and the TabControl displays it as a new tab. After adding the new tab is selected.</p> <pre><code> &lt;Button Command="{Binding AddItemCommand}" Content="Add item"/&gt; </code></pre> <p>Inside of the new View is a button that needs to be focused each time a new tab is added. I have tried to use the FocusManager and the Initialized event in the ItemView but these are only called for the first time I add a new tab.</p> <pre><code>&lt;UserControl x:Class="ItemView" ... Initialized="ViewInitialized"&gt; &lt;Grid&gt; ... &lt;!-- Set focus to this button --&gt; &lt;Button Content="Search" Command="{Binding SearchCommand}" Name="SearchButton" Grid.Column="0" Grid.Row="0"/&gt; &lt;/Grid&gt; &lt;/UserControl&gt; </code></pre> <p>Any ideas?</p> <p><strong>Update</strong></p> <p>The content of the Initialize method in the ItemView is currently this one - which is working fine... <em>for the first time and then never again</em></p> <pre><code> public delegate void ChangeFocusDelegate(); private void FocusSearchButton() { SearchButton.Focus(); } private void ViewInitialized(object sender, EventArgs e) { ChangeFocusDelegate focusDelegate = FocusSearchButton; Dispatcher.BeginInvoke(DispatcherPriority.ContextIdle, focusDelegate); } </code></pre>
 

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