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POStyles from resources aren't used when UserControl is instantiated in other class
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  1. POStyles from resources aren't used when UserControl is instantiated in other class
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    copied!<p>I create custom WPF Expander inherited from common Expander. I have a file with styles at path <code>MyAssembly/Theme/generic.xaml</code>. I can see that <strong>styles are applied in designer but are not in running program</strong>.</p> <p>MyExpander.xaml:</p> <pre><code>&lt;Expander x:Class="Path.To.MyExpander" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008"&gt; &lt;Expander.Resources&gt; &lt;ResourceDictionary&gt; &lt;ResourceDictionary.MergedDictionaries&gt; &lt;ResourceDictionary Source="pack://application:,,,/MyAssembly;component/Theme/generic.xaml"/&gt; &lt;/ResourceDictionary.MergedDictionaries&gt; &lt;/ResourceDictionary&gt; &lt;/Expander.Resources&gt; ... </code></pre> <p>generic.xaml:</p> <pre><code>&lt;ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" xmlns:d="http://schemas.microsoft.com/expression/blend/2008"&gt; ... </code></pre> <p>code where I instanciate the expanders:</p> <pre><code>class Viewer { private void GenerateExpanders() { this.Expanders.Children.Clear(); foreach (...) { MyExpander ex = new MyExpander(); ex.HeaderText.Text = "Sample"; ex.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch; ex.IsExpanded = true; this.Expanders.Children.Add(ex); } } } </code></pre> <p>All three files are in one assembly but class Viewer is instantiated in another assembly. Is there something am I doing wrong?</p>
 

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