diff --git a/src/Core_30/HandyControl_Core_30/Themes/Styles/DataGrid.xaml b/src/Core_30/HandyControl_Core_30/Themes/Styles/DataGrid.xaml
index 3abe4eba..3593fe3d 100644
--- a/src/Core_30/HandyControl_Core_30/Themes/Styles/DataGrid.xaml
+++ b/src/Core_30/HandyControl_Core_30/Themes/Styles/DataGrid.xaml
@@ -295,13 +295,13 @@
                                         <Button Command="{x:Static DataGrid.SelectAllCommand}" Margin="0,0,0,6" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.All}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType=DataGrid}}" Width="{Binding CellsPanelHorizontalOffset, RelativeSource={RelativeSource AncestorType=DataGrid}}" Style="{StaticResource ButtonIcon}" controls:IconElement.Geometry="{StaticResource AllGeometry}" Foreground="{DynamicResource PrimaryBrush}"/>
                                         <DataGridColumnHeadersPresenter x:Name="PART_ColumnHeadersPresenter" Grid.ColumnSpan="2" Grid.Row="0" Grid.Column="1" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.Column}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType=DataGrid}}"/>
                                         <ScrollContentPresenter x:Name="PART_ScrollContentPresenter" CanContentScroll="{TemplateBinding CanContentScroll}" Grid.ColumnSpan="3" Grid.Column="0" Grid.Row="1"/>
-                                        <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" x:Name="PART_VerticalScrollBar" Grid.Column="2" Maximum="{TemplateBinding ScrollableHeight}" Orientation="Vertical" Grid.Row="1" Visibility="{TemplateBinding VerticalScrollBarVisibility}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}"/>
+                                        <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" x:Name="PART_VerticalScrollBar" Grid.Column="2" Maximum="{TemplateBinding ScrollableHeight}" Orientation="Vertical" Grid.Row="1" Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}"/>
                                         <Grid Grid.Column="1" Grid.Row="1">
                                             <Grid.ColumnDefinitions>
                                                 <ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset, RelativeSource={RelativeSource AncestorType=DataGrid}}"/>
                                                 <ColumnDefinition Width="*"/>
                                             </Grid.ColumnDefinitions>
-                                            <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" VerticalAlignment="Bottom" x:Name="PART_HorizontalScrollBar" Grid.Column="1" Maximum="{TemplateBinding ScrollableWidth}" Orientation="Horizontal" Visibility="{TemplateBinding HorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
+                                            <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" VerticalAlignment="Bottom" x:Name="PART_HorizontalScrollBar" Grid.Column="1" Maximum="{TemplateBinding ScrollableWidth}" Orientation="Horizontal" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
                                         </Grid>
                                     </Grid>
                                     <ControlTemplate.Triggers>
diff --git a/src/Net_40/HandyControl_Net_40/Themes/Styles/DataGrid.xaml b/src/Net_40/HandyControl_Net_40/Themes/Styles/DataGrid.xaml
index e609758e..3f4bf166 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Styles/DataGrid.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Styles/DataGrid.xaml
@@ -296,13 +296,13 @@
                                         <Button Command="{x:Static DataGrid.SelectAllCommand}" Margin="0,0,0,6" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.All}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType=DataGrid}}" Width="{Binding CellsPanelHorizontalOffset, RelativeSource={RelativeSource AncestorType=DataGrid}}" Style="{StaticResource ButtonIcon}" controls:IconElement.Geometry="{StaticResource AllGeometry}" Foreground="{DynamicResource PrimaryBrush}"/>
                                         <DataGridColumnHeadersPresenter x:Name="PART_ColumnHeadersPresenter" Grid.ColumnSpan="2" Grid.Row="0" Grid.Column="1" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.Column}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType=DataGrid}}"/>
                                         <ScrollContentPresenter x:Name="PART_ScrollContentPresenter" CanContentScroll="{TemplateBinding CanContentScroll}" Grid.ColumnSpan="3" Grid.Column="0" Grid.Row="1"/>
-                                        <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" x:Name="PART_VerticalScrollBar" Grid.Column="2" Maximum="{TemplateBinding ScrollableHeight}" Orientation="Vertical" Grid.Row="1" Visibility="{TemplateBinding VerticalScrollBarVisibility}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}"/>
+                                        <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" x:Name="PART_VerticalScrollBar" Grid.Column="2" Maximum="{TemplateBinding ScrollableHeight}" Orientation="Vertical" Grid.Row="1" Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}"/>
                                         <Grid Grid.Column="1" Grid.Row="1">
                                             <Grid.ColumnDefinitions>
                                                 <ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset, RelativeSource={RelativeSource AncestorType=DataGrid}}"/>
                                                 <ColumnDefinition Width="*"/>
                                             </Grid.ColumnDefinitions>
-                                            <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" VerticalAlignment="Bottom" x:Name="PART_HorizontalScrollBar" Grid.Column="1" Maximum="{TemplateBinding ScrollableWidth}" Orientation="Horizontal" Visibility="{TemplateBinding HorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
+                                            <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" VerticalAlignment="Bottom" x:Name="PART_HorizontalScrollBar" Grid.Column="1" Maximum="{TemplateBinding ScrollableWidth}" Orientation="Horizontal" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
                                         </Grid>
                                     </Grid>
                                     <ControlTemplate.Triggers>
diff --git a/src/Net_GE45/HandyControl_Net_GE45/Themes/Styles/DataGrid.xaml b/src/Net_GE45/HandyControl_Net_GE45/Themes/Styles/DataGrid.xaml
index 3e601152..c3c5a29c 100644
--- a/src/Net_GE45/HandyControl_Net_GE45/Themes/Styles/DataGrid.xaml
+++ b/src/Net_GE45/HandyControl_Net_GE45/Themes/Styles/DataGrid.xaml
@@ -295,13 +295,13 @@
                                         <Button Command="{x:Static DataGrid.SelectAllCommand}" Margin="0,0,0,6" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.All}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType=DataGrid}}" Width="{Binding CellsPanelHorizontalOffset, RelativeSource={RelativeSource AncestorType=DataGrid}}" Style="{StaticResource ButtonIcon}" controls:IconElement.Geometry="{StaticResource AllGeometry}" Foreground="{DynamicResource PrimaryBrush}"/>
                                         <DataGridColumnHeadersPresenter x:Name="PART_ColumnHeadersPresenter" Grid.ColumnSpan="2" Grid.Row="0" Grid.Column="1" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.Column}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType=DataGrid}}"/>
                                         <ScrollContentPresenter x:Name="PART_ScrollContentPresenter" CanContentScroll="{TemplateBinding CanContentScroll}" Grid.ColumnSpan="3" Grid.Column="0" Grid.Row="1"/>
-                                        <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" x:Name="PART_VerticalScrollBar" Grid.Column="2" Maximum="{TemplateBinding ScrollableHeight}" Orientation="Vertical" Grid.Row="1" Visibility="{TemplateBinding VerticalScrollBarVisibility}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}"/>
+                                        <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" x:Name="PART_VerticalScrollBar" Grid.Column="2" Maximum="{TemplateBinding ScrollableHeight}" Orientation="Vertical" Grid.Row="1" Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}"/>
                                         <Grid Grid.Column="1" Grid.Row="1">
                                             <Grid.ColumnDefinitions>
                                                 <ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset, RelativeSource={RelativeSource AncestorType=DataGrid}}"/>
                                                 <ColumnDefinition Width="*"/>
                                             </Grid.ColumnDefinitions>
-                                            <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" VerticalAlignment="Bottom" x:Name="PART_HorizontalScrollBar" Grid.Column="1" Maximum="{TemplateBinding ScrollableWidth}" Orientation="Horizontal" Visibility="{TemplateBinding HorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
+                                            <ScrollBar Style="{StaticResource ScrollBarBaseStyle}" Opacity="0" VerticalAlignment="Bottom" x:Name="PART_HorizontalScrollBar" Grid.Column="1" Maximum="{TemplateBinding ScrollableWidth}" Orientation="Horizontal" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/>
                                         </Grid>
                                     </Grid>
                                     <ControlTemplate.Triggers>