Merge pull request #99 from FabianNitsche/wpfBinding

Fixed a WPF issue causing binding errors.

ExampleShaderEditorApp/App.xaml

@@ -3,4 +3,13 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:ExampleShaderEditorApp"
              StartupUri="Views/MainWindow.xaml">
+    <Application.Resources>
+        <ResourceDictionary>
+            <!--There is a timing issue in WPF when setting the ItemsSource of a Menu (in this case ContextMenu) to a collection. It leads to WPF binding error 'System.Windows.Data Error: 4'. The following workaround gets rid of those falsely reported errors.-->
+            <Style TargetType="MenuItem">
+                <Setter Property="HorizontalContentAlignment" Value="Left"/>
+                <Setter Property="VerticalContentAlignment" Value="Center"/>
+            </Style>
+        </ResourceDictionary>
+    </Application.Resources>
 </Application>