我有一个ListBox,有时不包含任何项目。如果此ListBox不包含任何项目,则将显示带有工具提示的按钮形式的水印和通知。我原本在屏幕右下角有按钮。但是要求我将按钮移动到更中心的位置,特别是在ListBox中的水印下方。我最初将按钮移动到ListBox的背景但是没有用,因为我无法获得工具提示或按下按钮。
我的问题是:有没有办法让按钮在ListBox的背景上正常工作。
风格:
<VisualBrush x:Key="WatermarkStyle" Stretch="None" AlignmentX="Center" AlignmentY="Center">
<VisualBrush.Visual>
<Grid>
<Button
Margin="0,50,0,0"
HorizontalAlignment="Center"
VerticalAlignment="Center"
Command="{Binding ReloadCommand}"
ToolTip="{Binding Path=NotificationTip}"
Visibility="{Binding Path=ShowNotification,
Converter={StaticResource TrueToVisibleConverter}}"
Style="{StaticResource StaticStyle}"
IsEnabled="{Binding Path=CanReload}">
<Image Source="{Binding Path=NotificationIcon}" Stretch="Uniform" Width="35"/>
</Button>
<TextBlock FontFamily="SEGOEWP" FontSize="22" FontWeight="Normal" HorizontalAlignment="Center"
VerticalAlignment="Center" Foreground="Gray" Opacity="1" Text="{Binding BackgroundWatermark}"/>
</Grid>
</VisualBrush.Visual>
</VisualBrush>
列表框:
<ListBox x:Name="ListBox"
Grid.Row="2"
Grid.ColumnSpan="3"
BorderThickness="1"
ItemsSource="{Binding Path=ListView}"
ScrollViewer.HorizontalScrollBarVisibility="Disabled"
ScrollViewer.VerticalScrollBarVisibility="Auto"
SelectedItem="{Binding SelectedDevice}"
SelectionMode="Single">
<ListBox.Style>
<Style TargetType="{x:Type ListBox}">
<Style.Triggers>
<DataTrigger Binding="{Binding HasItems, RelativeSource={RelativeSource Self}}" Value="False">
<Setter Property="Background" Value="{StaticResource WatermarkStyle}"/>
</DataTrigger>
</Style.Triggers>
</Style>
</ListBox.Style>