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我在创建散点图的屏幕截图时遇到问题.我的屏幕截图始终包含黑框.

这是我的XAML代码:

<s:SurfaceWindow
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:s="http://schemas.microsoft.com/surface/2008"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" x:Class="MakeScreenshots.SurfaceWindow1"
    Title="MakeScreenshots" Width="1000" Height="700"
    >
  <s:SurfaceWindow.Resources>
    <ImageBrush x:Key="WindowBackground" Stretch="None" Opacity="0.6" ImageSource="pack://application:,,,/Resources/WindowBackground.jpg"/>
  </s:SurfaceWindow.Resources>

  <Grid x:Name="GlobalGrid" Background="{StaticResource WindowBackground}" Width="1000" Height="700" >

    <s:ScatterView x:Name="ScatterViewScreenShot" Margin="108,89,176,73" Width="700" Height="500">
        <s:ScatterView.Background>
            <SolidColorBrush Color="{DynamicResource {x:Static SystemColors.ActiveCaptionColorKey}}"/>
        </s:ScatterView.Background>
        <s:ScatterViewItem Margin="0,-26.953,-130.946,-23.047" Content="ScatterViewItem 3" HorizontalAlignment="Right" Width="125.826"/>
        <s:ScatterViewItem Margin="0,0,-490.513,-151.256" HorizontalAlignment="Right" Width="125.77" Height="60.427" VerticalAlignment="Bottom" Content="ScatterViewItem 2"/>
        <s:ScatterViewItem Content="ScatterViewItem 1" Margin="-331.43,0,0,-129.589" HorizontalAlignment="Left" Width="177.949" Height="67.905" VerticalAlignment="Bottom"/>
    </s:ScatterView>
    <Button x:Name="MakeScreenShotButton" Click="MakeScreenShotButton_Click" Content="MakeScreenShot" Margin="267,17,343,0" VerticalAlignment="Top" Height="38.96"/>
        <Button Content="MakeScreenShotButton2" Height="39" HorizontalAlignment="Left" Margin="116,614,0,0" Name="button1" VerticalAlignment="Top" Width="301" Click="MakeScreenShotButton2_Click" />
        <Button …