所以我有一个问题，我不能在全屏使用我的tabitems但有时我可以通过随机点击屏幕打开标签，并且表格覆盖任务栏
用于tabcontrol和窗口和控件的XAML
<<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:omini_dækberegner"
xmlns:xctk="http://schemas.xceed.com/wpf/xaml/toolkit"
xmlns:Obselete="clr-namespace:Xceed.Wpf.Toolkit.Obselete;assembly=Xceed.Wpf.Toolkit" x:Class="Omini_Tires_And_rims.MainWindow"
mc:Ignorable="d"
Title="omini_dækberegner" Height="903.43" Width="1175.414" WindowStartupLocation="CenterScreen" AllowsTransparency="True" WindowStyle="None" ResizeMode="NoResize" Loaded="Window_Loaded" HorizontalAlignment="Left" VerticalAlignment="Top" SizeToContent="WidthAndHeight">
<Window.Resources>
<Button x:Name="Maximize" Click="Maximize_Click" Background="Transparent" BorderBrush="Transparent" Foreground="Transparent" IsTabStop="False" HorizontalAlignment="Right" VerticalAlignment="Top" Height="40" Width="39" Margin="0,18,67,0" HorizontalContentAlignment="Left" VerticalContentAlignment="Top" FontSize="18.667">
<Image>
<Image.Style>
<Style TargetType="{x:Type Image}">
<Style.Triggers>
<DataTrigger Binding="{Binding WindowState, RelativeSource={RelativeSource AncestorType={x:Type Window}, Mode=FindAncestor}}" Value="Normal">
<Setter Property="Source" Value="img\maximize_window-.png"/>
</DataTrigger>
<DataTrigger Binding="{Binding WindowState, RelativeSource={RelativeSource AncestorType={x:Type Window}, Mode=FindAncestor}}" Value="Maximized">
<Setter Property="Source" Value="img\restore-window-icon-61212.png"/>
</DataTrigger>
</Style.Triggers>
</Style>
</Image.Style>
</Image>
</Button>
<TabControl x:Name="tabControl" Margin="-2,70,0,-76" Background="#FF494949" BorderBrush="#FF494949" Foreground="#FF494949" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch">
<TabItem Header="Dækberegner" Background="#FF303030" Foreground="#FFEAEAEA" BorderBrush="#FF303030" Margin="0,0,-21,0" FontSize="16" VerticalAlignment="Bottom">
<TabItem BorderBrush="#FF303030" Background="#FF303030" Foreground="#FFEAEAEA" FontSize="16" Header="Betegnelser" Margin="22,0,-22,0" VerticalAlignment="Bottom">
<Grid Margin="10,0,-10,42" Background="#FF494949">
<Grid.ColumnDefinitions>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<ListView x:Name="betegnelser_list" Margin="206,47,187,150" Background="#FF303030" BorderBrush="#FF303030" Foreground="#FF00B408" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch" HorizontalAlignment="Center">
<ListView.View>
<GridView>
<GridView.ColumnHeaderContainerStyle>
<Style TargetType="{x:Type GridViewColumnHeader}">
<Setter Property="Background" Value="Black" />
<Setter Property="Foreground" Value="#FFEAEAEA " />
<Setter Property="FontWeight" Value="Bold" />
</Style>
</GridView.ColumnHeaderContainerStyle>
<GridViewColumn Header="Betegnelse"
DisplayMemberBinding="{Binding betegnelse}"
Width="400"/>
<GridViewColumn Header="Betydning"
DisplayMemberBinding="{Binding betydning}"
Width="400"/>
</GridView>
</ListView.View>
</ListView>
</Grid>
</TabItem>
C＃代码
private void Maximize_Click(object sender, RoutedEventArgs e)
{
if (this.WindowState == System.Windows.WindowState.Normal)
{
this.WindowState = System.Windows.WindowState.Maximized;
}
else
{
this.WindowState = System.Windows.WindowState.Normal;
}
}