RoutedUICommand usage example #wpf #csharp

RoutedUICommandExample.cs

private static RoutedUICommand _pressMeCommand = 
    new RoutedUICommand("Press Me", "PressMe", typeof(MainWindow));
public static RoutedUICommand PressMeCommand
{
    get { return _pressMeCommand; }
}

private void PressMe_CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
    e.CanExecute = CowboyCanTalk;
}
  
private void PressMe_Executed(object sender, ExecutedRoutedEventArgs e)
{
    MessageBox.Show("Howdy howdy I'm a cowboy");
}

RoutedUICommandExample.xaml

<Window.CommandBindings>
    <CommandBinding Command="local:MainWindow.PressMeCommand" CanExecute="PressMe_CanExecute" Executed="PressMe_Executed"/>
</Window.CommandBindings>

<Window.ContextMenu>
    <ContextMenu>
        <MenuItem Command="{x:Static local:MainWindow.PressMeCommand}" />
    </ContextMenu>
</Window.ContextMenu>

<Button Command="local:MainWindow.PressMeCommand" Content="{Binding RelativeSource={RelativeSource Self}, Path=Command.Text}" />

RoutedUICommandExample2.cs

private void PressMe_CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
    e.CanExecute = CowboyCanTalk;
}
  
private void PressMe_Executed(object sender, ExecutedRoutedEventArgs e)
{
    MessageBox.Show("Howdy howdy I'm a cowboy");
}

RoutedUICommandExample2.xaml

<Window.Resources>
        <RoutedUICommand x:Key="PressMeCommand" />
</Window.Resources>

<Window.CommandBindings>
    <CommandBinding Command="{StaticResource PressMeCommand}" CanExecute="PressMe_CanExecute" Executed="PressMe_Executed"/>
</Window.CommandBindings>

<Button Command="{StaticResource PressMeCommand}" Content="{Binding RelativeSource={RelativeSource Self}, Path=Command.Text}" />