diff --git a/src/Shared/HandyControl_Shared/Controls/Slider/PreviewSlider.cs b/src/Shared/HandyControl_Shared/Controls/Slider/PreviewSlider.cs
index 0a371d62..ecbb7023 100644
--- a/src/Shared/HandyControl_Shared/Controls/Slider/PreviewSlider.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Slider/PreviewSlider.cs
@@ -110,7 +110,7 @@ namespace HandyControl.Controls
                 }
 
                 _transform.X = p.X - _previewContent.ActualWidth * 0.5;
-                _transform.Y = TranslatePoint(new Point(), _adorner).Y - _previewContent.ActualHeight - PreviewContentOffset;
+                _transform.Y = -_previewContent.ActualHeight - PreviewContentOffset;
 
                 PreviewPosition = _thumb.IsMouseCaptureWithin ? Value : pos;
             }
@@ -128,7 +128,7 @@ namespace HandyControl.Controls
                     return;
                 }
 
-                _transform.X = TranslatePoint(new Point(), _adorner).X - _previewContent.ActualWidth - PreviewContentOffset;
+                _transform.X = -_previewContent.ActualWidth - PreviewContentOffset;
                 _transform.Y = p.Y - _previewContent.ActualHeight * 0.5;
 
                 PreviewPosition = _thumb.IsMouseCaptureWithin ? Value : pos;
@@ -195,8 +195,17 @@ namespace HandyControl.Controls
             {
                 _transform = new TranslateTransform();
                 _previewContent.RenderTransform = _transform;
-                _previewContent.HorizontalAlignment = HorizontalAlignment.Left;
-                _previewContent.VerticalAlignment = VerticalAlignment.Top;
+
+                if (Orientation == Orientation.Horizontal)
+                {
+                    _previewContent.HorizontalAlignment = HorizontalAlignment.Left;
+                    _previewContent.VerticalAlignment = VerticalAlignment.Center;
+                }
+                else
+                {
+                    _previewContent.HorizontalAlignment = HorizontalAlignment.Center;
+                    _previewContent.VerticalAlignment = VerticalAlignment.Top;
+                }
             }
         }
     }
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/SliderBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/SliderBaseStyle.xaml
index 79402555..60b63264 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/SliderBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/SliderBaseStyle.xaml
@@ -624,7 +624,7 @@
     <ControlTemplate x:Key="PreviewSliderHorizontal" TargetType="hc:PreviewSlider">
         <hc:SimplePanel>
             <Border x:Name="TrackBackground" Background="{TemplateBinding Background}" Height="2" VerticalAlignment="center" Margin="9,0"/>
-            <Track Margin="9,0" x:Name="PART_Track">
+            <Track VerticalAlignment="center" Margin="9,0" x:Name="PART_Track">
                 <Track.DecreaseRepeatButton>
                     <RepeatButton Command="{x:Static Slider.DecreaseLarge}" Background="{DynamicResource PrimaryBrush}" Style="{StaticResource PreviewSliderRepeatButtonHorizontalStyle}"/>
                 </Track.DecreaseRepeatButton>
@@ -641,7 +641,7 @@
     <ControlTemplate x:Key="PreviewSliderVertical" TargetType="hc:PreviewSlider">
         <hc:SimplePanel>
             <Border x:Name="TrackBackground" Background="{TemplateBinding Background}" Width="2" HorizontalAlignment="center" Margin="0,9"/>
-            <Track Margin="0,9" x:Name="PART_Track">
+            <Track HorizontalAlignment="center" Margin="0,9" x:Name="PART_Track">
                 <Track.DecreaseRepeatButton>
                     <RepeatButton Command="{x:Static Slider.DecreaseLarge}" Background="{DynamicResource PrimaryBrush}" Style="{StaticResource PreviewSliderRepeatButtonVerticalStyle}"/>
                 </Track.DecreaseRepeatButton>
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index f17d4167..016d7983 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -1602,7 +1602,7 @@
 	<ControlTemplate x:Key="PreviewSliderHorizontal" TargetType="hc:PreviewSlider">
 		<hc:SimplePanel>
 			<Border x:Name="TrackBackground" Background="{TemplateBinding Background}" Height="2" VerticalAlignment="center" Margin="9,0" />
-			<Track Margin="9,0" x:Name="PART_Track">
+			<Track VerticalAlignment="center" Margin="9,0" x:Name="PART_Track">
 				<Track.DecreaseRepeatButton>
 					<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Background="{DynamicResource PrimaryBrush}" Style="{StaticResource PreviewSliderRepeatButtonHorizontalStyle}" />
 				</Track.DecreaseRepeatButton>
@@ -1618,7 +1618,7 @@
 	<ControlTemplate x:Key="PreviewSliderVertical" TargetType="hc:PreviewSlider">
 		<hc:SimplePanel>
 			<Border x:Name="TrackBackground" Background="{TemplateBinding Background}" Width="2" HorizontalAlignment="center" Margin="0,9" />
-			<Track Margin="0,9" x:Name="PART_Track">
+			<Track HorizontalAlignment="center" Margin="0,9" x:Name="PART_Track">
 				<Track.DecreaseRepeatButton>
 					<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Background="{DynamicResource PrimaryBrush}" Style="{StaticResource PreviewSliderRepeatButtonVerticalStyle}" />
 				</Track.DecreaseRepeatButton>