如题,比如主窗口的透明度为0.2,我想设置里面grid里嵌套的grid里的一个label或者button的透明度为0.8,该如何设置?
<Window x:Class="TopUI.TopCover"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525" WindowState="Maximized"
WindowStyle="None" Opacity="0.01" AllowsTransparency="True" Cursor="Hand">
<Grid MouseMove="Grid_MouseMove" Background="Black" MouseLeftButtonDown="Grid_MouseLeftButtonDown" MouseWheel="Grid_MouseWheel">
<Grid.RowDefinitions>
<RowDefinition Height="60"></RowDefinition>
<RowDefinition/>
<RowDefinition Height="60"/>
</Grid.RowDefinitions>
<Grid Grid.Row="0" HorizontalAlignment="Center" VerticalAlignment="Center">
<Label Name="labLocationInfo" Content="121212" Width="100" Opacity="0.9" Foreground="Yellow"/>
</Grid>
</Grid>
</Window>