1 <Window x:Class="WPFdemo14.MainWindow"
 2         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 5         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 6         xmlns:local="clr-namespace:WPFdemo14"
 7         mc:Ignorable="d"
 8         Title="MainWindow" Height="350" Width="525">
 9     <Grid>
10         <StackPanel Margin="0,2,390.4,1.8">
11             <!--圆形-->
12             <Ellipse Fill="Yellow" Stroke="Blue" Height="50" Width="100" Margin="5" HorizontalAlignment="Left"></Ellipse>
13             <!--矩形-->
14             <Rectangle Fill="Yellow" Stroke="Red" Height="50" Width="100" Margin="5" HorizontalAlignment="Left"></Rectangle>
15             <!--带圆角矩形-->
16             <Rectangle Fill="Yellow" Stroke="Blue" RadiusX="10" RadiusY="10"
17                Width="100" Height="60" Margin="5"  HorizontalAlignment="Left"></Rectangle>
18              <!--线-->
19             <Line Stroke="Blue" X1="0" Y1="0" X2="100" Y2="20"></Line>
20                 <!--折线，此时类似直线-->
21             <Polyline Stroke="Blue" Points="0 0 100 20"/>
22             <!--折线-->
23             <Polyline Stroke="Blue" StrokeThickness="2" 
24                Points="20,30 12,44 33,55 33,20" >
25             </Polyline>
26         </StackPanel>
27         
28         
29         
30         <StackPanel HorizontalAlignment="Left" Height="317" Margin="144,2,0,0" VerticalAlignment="Top" Width="364">
31             <!--多边形-->
32             <Polygon Stroke="Blue" StrokeThickness="1" Fill="Yellow" 
33                FillRule="Nonzero"
34          Points="15,200 68,70 110,200 0,125 135,125" >
35             </Polygon>
36             <!--以点代线，折现-->
37             <Polyline Stroke="Blue" StrokeThickness="10"
38               StrokeDashArray="1 2" 
39       Points="10,30 60,0 90,40 120,10 350,10" SnapsToDevicePixels="True">
40             </Polyline>
41         </StackPanel>
42     </Grid>
43 </Window>

 1 <Window x:Class="WPFdemo14.Window1"
 2         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 5         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 6         xmlns:local="clr-namespace:WPFdemo14"
 7         mc:Ignorable="d"
 8         Title="Window1" Height="300" Width="300">
 9   
10         <Grid ShowGridLines="True" Margin="5">
11             <Grid.ColumnDefinitions>
12                 <ColumnDefinition></ColumnDefinition>
13                 <ColumnDefinition></ColumnDefinition>
14                 <ColumnDefinition></ColumnDefinition>
15             </Grid.ColumnDefinitions>
16             <Grid.RowDefinitions>
17                 <RowDefinition></RowDefinition>
18                 <RowDefinition Height="Auto"></RowDefinition>
19             </Grid.RowDefinitions>
20 
21             <Ellipse Fill="Yellow" Stroke="Blue"></Ellipse>
22             <Ellipse Fill="Yellow" Stroke="Blue" Grid.Column="1" Stretch="Uniform"></Ellipse>
23             <Ellipse Fill="Yellow" Stroke="Blue" Grid.Column="2" Stretch="UniformToFill "></Ellipse>
24 
25             <TextBlock Grid.Row="1" TextAlignment="Center">Fill</TextBlock>
26             <TextBlock Grid.Row="1" Grid.Column="1" TextAlignment="Center">Uniform</TextBlock>
27             <TextBlock Grid.Row="1" Grid.Column="2" TextAlignment="Center">UniformToFill</TextBlock>
28      
29     </Grid>
30 </Window>

 1 <Window x:Class="WPFdemo14.Window2"
 2         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 5         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 6         xmlns:local="clr-namespace:WPFdemo14"
 7         mc:Ignorable="d"
 8         Title="Window2" Height="300" Width="300">
 9     <Grid>
10         <Viewbox Grid.Row="1" HorizontalAlignment="Left" MaxHeight="500">
11             <Canvas Width="200" Height="150">
12                 <Ellipse Fill="Yellow" Stroke="Blue" Canvas.Left="10"  Canvas.Top="50"
13                Width="100" Height="50" HorizontalAlignment="Left"></Ellipse>
14                 <Rectangle Fill="Yellow" Stroke="Blue" Canvas.Left="30"  Canvas.Top="40"                 
15                  Width="100" Height="50" HorizontalAlignment="Left"></Rectangle>
16             </Canvas>
17         </Viewbox>
18     </Grid>
19 </Window>