在多显示器设置中鼠标抖动控件

Question

我们有一个窗口，在中间显示一条消息，半透明背景如下：

<Window x:Class="Dialogs.Touch.MessageWindow" Style="{DynamicResource DialogWindow}" 
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:i="clr-namespace:I.GUI.Controls.WPF"
Title="MessageWindow" WindowState="Maximized"  AllowsTransparency="True" WindowStartupLocation="CenterScreen" PreviewKeyDown="Window_PreviewKeyDown">

<Window.Resources>
    <ResourceDictionary x:Name="StyleDictionary">
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="Styles/TouchStyle.xaml"/>
            <ResourceDictionary Source="../Styles/DialogsStyle.xaml"/>
            <ResourceDictionary Source="../../Styles/GUIStyle.xaml"/>
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
</Window.Resources>

<Window.Background>
    <SolidColorBrush x:Name="WindowBrush" Color="#88000000"/>
</Window.Background>
<ContentControl>
    <Border Margin="20"  Width="460" MaxHeight="1000" VerticalAlignment="Center" HorizontalAlignment="Center" Style="{DynamicResource WindowBorder}" >


        <Grid Margin="0" >
            <Grid.RowDefinitions>
                <RowDefinition Height="50" />
                <RowDefinition Height="{Binding ElementName=MessageTextBlock, Path=Height, Mode= OneWay}" />
                <RowDefinition Height="90" />
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Name="IconColumn">
                    <ColumnDefinition.Style>
                        <Style TargetType="{x:Type ColumnDefinition}">
                            <Setter Property="Width" Value="58"/>
                            <Style.Triggers>
                                <DataTrigger Binding="{Binding ElementName=IconImage, Path=Visibility}" Value="Collapsed" >
                                    <Setter Property="Width" Value="0"/>
                                </DataTrigger>
                            </Style.Triggers>
                        </Style>
                    </ColumnDefinition.Style>
                </ColumnDefinition>
                <ColumnDefinition></ColumnDefinition>
            </Grid.ColumnDefinitions>
            <Border Grid.ColumnSpan="2" Style="{DynamicResource WindowHeaderBorder}">
                <DockPanel>
                    <i:TouchButton  DockPanel.Dock="Right" TouchButtonStyle="Quit" Content="X" Width="35" x:Name="Button1" />
                    <TextBlock   VerticalAlignment="Center" Style="{DynamicResource LargeTextBlock}" Foreground="{DynamicResource LightTextColour1}" Text="Title" Name="TitleTextBlock"></TextBlock>
                </DockPanel>
            </Border>
            <Image Name="IconImage" Width="48" Height="48" Grid.Row="1" Margin="5" VerticalAlignment="Top" HorizontalAlignment="Left" RenderOptions.BitmapScalingMode="Fant" Source="/SI.GUI;component/Images/warning.ico"></Image>
            <TextBlock Margin="10,5,5,5" Grid.Row="1" Grid.Column="2" Style="{DynamicResource MediumTextBlock}" Text="Message" Name="MessageTextBlock" TextWrapping="Wrap"></TextBlock>
            <StackPanel Grid.ColumnSpan="2"  Grid.Row="2" Orientation="Horizontal" VerticalAlignment="Bottom" FlowDirection="RightToLeft">
                <i:TouchButton  TouchButtonStyle="Negative" VerticalAlignment="Bottom" Content="Cancel" HorizontalAlignment="Right"  Height="70" Width="150" x:Name="CancelButton"/>
                <i:TouchButton TouchButtonStyle="Positive" VerticalAlignment="Bottom" Content="OK" HorizontalAlignment="Right" Height="70" Width="150" x:Name="OkButton"/>
            </StackPanel>
        </Grid>
    </Border>
</ContentControl>

在我们的一台测试机上，当鼠标放在窗口中央的消息控件上，其中包含消息和按钮et（参见边框标签）时，鼠标光标变得非常不稳定。

它在窗口背景上正常移动。

仅当系统处于多监视器模式时才会发生这种情况。当只使用一个监视器时，光标会正常移动。

系统正在运行Windows XP。

由于