c# - DataGridTextColumn 可见性绑定(bind)

Question

我正在尝试将列可见性绑定(bind)到另一个元素的可见性:

<Window x:Class="WpfApplication1.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MainWindow" Height="350" Width="525">
<Window.Resources>
    <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
</Window.Resources>
<StackPanel>
    <CheckBox x:Name="chkColumnVisible" Content="Show column" />
    <DataGrid x:Name="MyDataGrid" AutoGenerateColumns="False">
        <DataGrid.Columns>
            <DataGridTextColumn Header="Column1" Visibility="{Binding ElementName=chkColumnVisible, Path=IsChecked, Converter={StaticResource BooleanToVisibilityConverter}}"/>
        </DataGrid.Columns>
    </DataGrid>
</StackPanel>

但我在 VS 输出中收到此错误:

System.Windows.Data Error: 2 : Cannot find governing FrameworkElement or FrameworkContentElement for target element. BindingExpression:Path=IsChecked; DataItem=null; target element is 'DataGridTextColumn' (HashCode=48860040); target property is 'Visibility' (type 'Visibility')

是否有纯 XAML 方法来完成此操作？

Answer 1

DataGrid 的列是抽象对象，未出现在可视化或逻辑树中。您不能使用 ElementName 和 RelativeSource。 Source 结合 x:Reference虽然应该工作:

Visibility="{Binding Source={x:Reference chkColumnVisible},
                     Path=IsChecked,
                     Converter={StaticResource BooleanToVisibilityConverter}}"