<Window x:Class="WpfApp91.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApp91"
WindowState="Maximized"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Ellipse Grid.Column="0">
<Ellipse.Fill>
<LinearGradientBrush StartPoint="0.45,0.45"
EndPoint="0.55,0.55"
SpreadMethod="Pad">
<GradientStop Offset="0" Color="Blue"/>
<GradientStop Offset="1" Color="Red"/>
</LinearGradientBrush>
</Ellipse.Fill>
</Ellipse>
<Ellipse Grid.Column="1">
<Ellipse.Fill>
<LinearGradientBrush StartPoint="0.45,0.45"
EndPoint="0.55,0.55"
SpreadMethod="Reflect">
<GradientStop Offset="0" Color="Blue"/>
<GradientStop Offset="1" Color="Red"/>
</LinearGradientBrush>
</Ellipse.Fill>
</Ellipse>
<Ellipse Grid.Column="2">
<Ellipse.Fill>
<LinearGradientBrush StartPoint="0.45,0.45"
EndPoint="0.55,0.55"
SpreadMethod="Repeat">
<GradientStop Offset="0" Color="Blue"/>
<GradientStop Offset="1" Color="Red"/>
</LinearGradientBrush>
</Ellipse.Fill>
</Ellipse>
</Grid>
</Window>
