How to transparent ellipse in WPF

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how to transparent Ellipse like Window AllowsTransparency.

What I have tried:

XML

<grid>
        <ellipse name="eelipse">
             Stretch="Fill"
             Fill="Transparent"
             Stroke="Bisque" 
             StrokeThickness="2"
        </ellipse>
    </grid>

This transparent for window not full transparent . AllowsTransparency="true" show you full transparent window like i want to only part of ellipse can full transparent.

Please help me.

Posted 7-Jul-16 22:02pm

Member 11828338

Updated 12-Jul-16 2:32am

v4

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Beginner Luck 8-Jul-16 4:11am

Fill="Transparent" ??

Member 11828338 8-Jul-16 4:24am

AllowsTransparency="True" WindowStyle="None"="True" windowstyle="None" removed="Transparent">
give you full transparent window but in ellipse fill=" Transparent" property can not transparant like Window

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Member 11828338 · Accepted Answer · 2016-07-12T02:32:00

first set to window

AllowsTransparency="True" WindowStyle="None"

XML

<Window.Background >
      <SolidColorBrush x:Name="BackgroundBrush" Color="BlanchedAlmond" Opacity="0" ></SolidColorBrush>
  </Window.Background>

draw rectangle with fill color and in this rectangle draw ellipse
<Path Stroke="Black" StrokeThickness="5" Fill="WhiteSmoke" Opacity="100">
<Path.Data>
<CombinedGeometry GeometryCombineMode="Xor">
<CombinedGeometry.Geometry1>
<RectangleGeometry Rect="0,0,600,700" />
</CombinedGeometry.Geometry1>
<CombinedGeometry.Geometry2>
<EllipseGeometry RadiusX="300" RadiusY="300" Center="300,300" />
</CombinedGeometry.Geometry2>
</CombinedGeometry>
</Path.Data>
</Path>

ellipse is full transparent.