diff --git a/Demo.WindowsPresentation/CustomMarkers/Circle.xaml b/Demo.WindowsPresentation/CustomMarkers/Circle.xaml
new file mode 100644
--- /dev/null
+++ b/Demo.WindowsPresentation/CustomMarkers/Circle.xaml
@@ -0,0 +1,8 @@
+<UserControl x:Class="Demo.WindowsPresentation.CustomMarkers.Circle"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    Height="300" Width="300" Background="Transparent">
+    <Grid>
+        <Ellipse Stroke="Red" Fill="AliceBlue" Opacity="0.44" />
+    </Grid>
+</UserControl>