Question

In my main widow I have some commands mapped to 1, 2, 3, 4. When I press those keys in a textbox, those commands get executed instead of 1/2/3/4 being added to the textbox. What is the best way to ensure typing those keys inside the textbox will be adding those text instead of executing the commands?

Here is a sample program and when I press ‘1’, the executed logic runs and ‘1’ is not added to the textbox. Any other keys work like they should.

<Window x:Class="TextboxWithCommands.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="300" Width="300">

    <Window.InputBindings>  
        <KeyBinding Command="Open" Key="D1"/>    
    </Window.InputBindings>

    <Window.CommandBindings>
        <CommandBinding Command="Open" 
                        Executed="CommandBinding_Executed"
                        CanExecute="CommandBinding_CanExecute"/>
    </Window.CommandBindings>

    <Grid>
        <TextBox/>
    </Grid>
</Window>



 private void CommandBinding_Executed(object sender, ExecutedRoutedEventArgs e)
        {

        }

        private void CommandBinding_CanExecute(object sender, CanExecuteRoutedEventArgs e)
        {
            e.CanExecute = true;
        }

Answer 1

Here is one way of doing this:

private void CommandBinding_CanExecute( object sender , CanExecuteRoutedEventArgs e )
{
  e.CanExecute = !(e.ContinueRouting = (FocusManager.GetFocusedElement( this ) is TextBox));
}