程序代码：

<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas."
        xmlns:x="http://schemas."
        Title="函数图像"
        Width="1024"
        Height="768"
        WindowStartupLocation="CenterScreen"
        Loaded="Window_Loaded">
    <Grid Name="Grid1" Margin="5">
        <Image Name="Image1"
               HorizontalAlignment="Left"
               VerticalAlignment="Top"
               Height="40"
               Source="C:\Users\TonyDeng\Documents\visual studio 2012\Projects\CSharp_Test\WpfApplication1\QQ截图20121002071320.png">
        </Image>
    </Grid>
</Window>