Hi,
Welcome to our Microsoft Q&A platform!
example:
<Grid>
<ProgressBar Width="200" Height="40" Name="progressBar1" Orientation="Horizontal" RenderTransformOrigin="0.5,0.5">
<ProgressBar.Template>
<ControlTemplate TargetType="ProgressBar">
<Border BorderBrush="Black" x:Name="Root" BorderThickness="0.5">
<Grid Name="PART_Track" >
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Path StrokeThickness="1" Grid.Column="1" Fill="Blue">
<Path.Data>
<PathGeometry>
<PathFigure StartPoint="0,0">
<PolyLineSegment Points="10,4 8,8 10,12 8,16 7,20 8,24 10,28 7,32 9,36 0,40"></PolyLineSegment>
</PathFigure>
</PathGeometry>
</Path.Data>
</Path>
<Rectangle Name="PART_Indicator" HorizontalAlignment="Left" Fill="Blue" Grid.Column="0" >
</Rectangle>
</Grid>
</Border>
</ControlTemplate>
</ProgressBar.Template>
<ProgressBar.RenderTransform>
<TransformGroup>
<RotateTransform Angle="270"/>
</TransformGroup>
</ProgressBar.RenderTransform>
</ProgressBar>
</Grid>
Thanks.