GroupBox ContentSelector support

Author: l1pton17

MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.GroupBox.xaml

@@ -34,9 +34,15 @@
                     <Border Background="{TemplateBinding Background}" BorderBrush="{Binding Path=Background, ElementName=PART_ColorZone}" BorderThickness="{TemplateBinding BorderThickness}">
                         <DockPanel Background="{TemplateBinding Background}">
                             <wpf:ColorZone UseLayoutRounding="True" x:Name="PART_ColorZone" DockPanel.Dock="Top" Padding="{TemplateBinding Padding}" Effect="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(wpf:ShadowAssist.ShadowDepth), Converter={x:Static converters:ShadowConverter.Instance}}" Mode="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(wpf:ColorZoneAssist.Mode)}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}">
-                                <ContentPresenter ContentSource="Header" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                                <ContentPresenter ContentSource="Header" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
+                                                  ContentStringFormat="{TemplateBinding HeaderStringFormat}"
+                                                  ContentTemplate="{TemplateBinding HeaderTemplate}"
+                                                  ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"/>
                             </wpf:ColorZone>
-                            <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Margin="{TemplateBinding Padding}"/>
+                            <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Margin="{TemplateBinding Padding}"
+                                              ContentStringFormat="{TemplateBinding ContentStringFormat}"
+                                              ContentTemplate="{TemplateBinding ContentTemplate}"
+                                              ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"/>
                         </DockPanel>
                     </Border>
                 </ControlTemplate>
@@ -58,9 +64,15 @@
                     <wpf:Card VerticalAlignment="Stretch">
                         <DockPanel Background="{TemplateBinding Background}">
                             <wpf:ColorZone x:Name="PART_ColorZone" DockPanel.Dock="Top" Padding="{TemplateBinding Padding}" Effect="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(wpf:ShadowAssist.ShadowDepth), Converter={x:Static converters:ShadowConverter.Instance}}" Mode="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(wpf:ColorZoneAssist.Mode)}">
-                                <ContentPresenter ContentSource="Header" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
+                                <ContentPresenter ContentSource="Header" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
+                                                  ContentStringFormat="{TemplateBinding HeaderStringFormat}"
+                                                  ContentTemplate="{TemplateBinding HeaderTemplate}"
+                                                  ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"/>
                             </wpf:ColorZone>
-                            <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Margin="{TemplateBinding Padding}"/>
+                            <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Margin="{TemplateBinding Padding}"
+                                              ContentStringFormat="{TemplateBinding ContentStringFormat}"
+                                              ContentTemplate="{TemplateBinding ContentTemplate}"
+                                              ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"/>
                         </DockPanel>
                     </wpf:Card>
                 </ControlTemplate>