RadialGradientBrush
1 <Grid> 2 <Canvas Width="200" Height="200"> 3 <Path Canvas.Left="0" Canvas.Top="20" Stroke="Black"> 4 <Path.Fill> 5 <RadialGradientBrush GradientOrigin="0.2, 0.2"> 6 <GradientStop Offset="0" Color="LightBlue"/> 7 <GradientStop Offset="0.6" Color="Blue"/> 8 <GradientStop Offset="1" Color="DarkBlue"/> 9 </RadialGradientBrush> 10 </Path.Fill> 11 <Path.Data> 12 <CombinedGeometry GeometryCombineMode="Union"> 13 <CombinedGeometry.Geometry1> 14 <EllipseGeometry Center="80, 60" RadiusX="80" RadiusY="40"/> 15 </CombinedGeometry.Geometry1> 16 <CombinedGeometry.Geometry2> 17 <RectangleGeometry Rect="30,60 100 50"/> 18 </CombinedGeometry.Geometry2> 19 </CombinedGeometry> 20 </Path.Data> 21 </Path> 22 </Canvas> 23 </Grid>