WPF Circle Progress Bar

 <Grid Margin="1"
              x:Name="loadingCnt"
              Width="{Binding ImageWidth,Mode=OneTime,FallbackValue=96}"
              Height="{Binding ImageHeight,Mode=OneTime,FallbackValue=96}"

              Visibility="Collapsed">

            <Grid  Background="Transparent" Margin="0">
                <Grid.Resources>
                    <Style TargetType="Ellipse">
                        <Setter Property="Width" Value="11"/>
                        <Setter Property="Height" Value="11"/>
                        <Setter Property="Stretch" Value="Fill"/>
                        <Setter Property="Fill" Value="#FF1A559E"/>
                    </Style>
                </Grid.Resources>
                <Grid.RenderTransform>
                    <ScaleTransform x:Name="SpinnerScale" ScaleX="0.75" ScaleY="0.75" />
                </Grid.RenderTransform>
                <Canvas Name="canvas" RenderTransformOrigin="0.50,0.50" Width="60" Height="60" >

                    <Ellipse Canvas.Left="10.0848" Canvas.Top="4.88179" Opacity="1"/>
                    <Ellipse Canvas.Left="1.43408" Canvas.Top="14.97905" Opacity="0.9"/>
                    <Ellipse Canvas.Left="2.51879E-06" Canvas.Top="28.96705" Opacity="0.8"/>
                    <Ellipse Canvas.Left="6.06015" Canvas.Top="41.65815" Opacity="0.7"/>
                    <Ellipse Canvas.Left="18.27295" Canvas.Top="49.069" Opacity="0.6"/>
                    <Ellipse Canvas.Left="32.33615" Canvas.Top="48.42055" Opacity="0.5"/>
                    <Ellipse Canvas.Left="43.8088" Canvas.Top="40.63915" Opacity="0.4"/>
                    <Ellipse Canvas.Left="49.0825" Canvas.Top="27.207" Opacity="0.3"/>
                    <Ellipse Canvas.Left="46.4919" Canvas.Top="13.4969" Opacity="0.2"/>
                    <Ellipse Canvas.Left="23.63915" Canvas.Top="0.25" Opacity="0.1"/>

                    <Canvas.RenderTransform>
                        <RotateTransform x:Name="SpinnerRotate" Angle="0" />
                    </Canvas.RenderTransform>
                    <Canvas.Triggers>
                        <EventTrigger RoutedEvent="ContentControl.Loaded">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                Storyboard.TargetName ="SpinnerRotate"
                                 Storyboard.TargetProperty ="(RotateTransform.Angle)"
                                 From="0" To="360"
                                 Duration="00:00:00.85"
                                 RepeatBehavior="Forever" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                    </Canvas.Triggers>
                </Canvas>
            </Grid>
        </Grid>