I intended to disable and enable the Buttons outside the TabControl, just like those inside the TabItem when the current tab is changed. But the CommandBindings of the TabItem do not seem to impact “up” the visual tree. What is the right way to do this?
With this XAML:
<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>
With this Code Behind:
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");
}
MSFT gave me the correct answer in their WPF forum, here (http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/bb3d1eb1-96fa-4fbc-beda-799613acb9f7)