現在のタブが変更されたときのTabItem内のボタンと同じように、TabControlの外のボタンを無効および有効にするつもりでした。ただし、TabItemのCommandBindingsは、ビジュアルツリーの「上」に影響を与えないようです。これを行う正しい方法は何ですか?
このXAMLの場合:
<Window x:Class="WpfApplication10.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WpfApplication10"
Title="MainWindow" Height="350" Width="525">
<StackPanel>
<Button Content="MyCommand1" Command="local:MainWindow.MyCommand1" />
<Button Content="MyCommand2" Command="local:MainWindow.MyCommand2" />
<TabControl>
<TabItem Header="tabItem1" Name="tabItem1">
<TabItem.CommandBindings>
<CommandBinding Command="local:MainWindow.MyCommand1"
Executed="ExecuteMyCommand" />
</TabItem.CommandBindings>
<StackPanel>
<Button Content="MyCommand1" Command="local:MainWindow.MyCommand1" />
<Button Content="MyCommand2" Command="local:MainWindow.MyCommand2" />
</StackPanel>
</TabItem>
<TabItem Header="tabItem2" Name="tabItem2">
<TabItem.CommandBindings>
<CommandBinding Command="local:MainWindow.MyCommand2"
Executed="ExecuteMyCommand"/>
</TabItem.CommandBindings>
<StackPanel>
<Button Content="MyCommand1" Command="local:MainWindow.MyCommand1" />
<Button Content="MyCommand2" Command="local:MainWindow.MyCommand2" />
</StackPanel>
</TabItem>
</TabControl>
</StackPanel>
</Window>
このコードの背後にあるもの:
public static readonly RoutedUICommand MyCommand1 = new RoutedUICommand();
public static readonly RoutedUICommand MyCommand2 = new RoutedUICommand();
public MainWindow()
{
InitializeComponent();
}
private void ExecuteMyCommand(object sender, ExecutedRoutedEventArgs e)
{
MessageBox.Show("Hello");
}