画像がグリッドの右側の境界線を越える理由がわかりません。修復方法を教えてください。コードは次のようになります。
<Grid>
<Grid Name="grid1">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="260" />
<ColumnDefinition Width="640" />
</Grid.ColumnDefinitions>
<Image Grid.Column="1" HorizontalAlignment="Stretch" Margin="0" Name="image1" Stretch="Fill" VerticalAlignment="Stretch" Source="path.png"/>
<ListView Height="361" HorizontalAlignment="Left" Margin="10,10,0,0" Name="listView1" VerticalAlignment="Top" Width="240" ItemsSource="{Binding}" />
<Button Content="Add New Gesture" Height="39" HorizontalAlignment="Left" Margin="10,387,0,0" Name="button1" VerticalAlignment="Top" Width="112" Click="button1_Click" />
<Button Content="Delete" Height="39" HorizontalAlignment="Left" Margin="191,387,0,0" Name="button2" VerticalAlignment="Top" Width="59" />
<Button Content="Modify" Height="39" HorizontalAlignment="Left" Margin="128,387,0,0" Name="button3" VerticalAlignment="Top" Width="57" />
</Grid>
</Grid>