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Stumped - bubbling an routedevent up to top window in WPF - how to capture anywhere!


Stumped - bubbling an routedevent up to top window in WPF - how to capture anywhere!

By : user3851549
Date : October 16 2020, 11:12 AM
wish help you to fix your issue I agree, the documentation on bubbling/tunneling on MSDN isn't great at all.
I've found this MSDN magazine article "Understanding Routed Events and Commands In WPF" much better at explaining the bubbling events.
code :


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Bubbling RoutedEvent or RoutedCommand to a ViewModel

Bubbling RoutedEvent or RoutedCommand to a ViewModel


By : user1396107
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You could add a State property to your TabViewModel, and check the DependencyPropertyChanged events.
So imagine the following enum:
code :
public enum TabViewModelState
{
    True,
    False,
    FileNotFound
}
public static readonly DependencyProperty StateProperty =
    DependencyProperty.Register("State", typeof(TabViewModelState), typeof(TabViewModel), new PropertyMetadata(OnStateChanged));

private static void OnStateChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
    TabViewModel viewModel= (TabViewModel)obj;

    //Do stuff with your viewModel
}
<CheckBox Checked="{Binding Path=State, Converter={StaticResource StateToBooleanConverter}, Mode=TwoWay}" />
public class StateToBooleanConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        TabViewModelState state = (TabViewModelState) value;
        return state == TabViewModelState.True;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        bool result = (bool) value;
        return result ? TabViewModelState.True : TabViewModelState.False;
    }
}
Do CSS3 transitions delay event capture/bubbling?

Do CSS3 transitions delay event capture/bubbling?


By : kerirek
Date : March 29 2020, 07:55 AM
will help you As you can see in this example, setting a :hover behavior for an element seems to delay its state from being recognized by its child elements. , I believe what happens is this:
Starting of transitions
Handling the Window's RoutedEvent in many WPF elements with Style

Handling the Window's RoutedEvent in many WPF elements with Style


By : Matt
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You might have misunderstood how tunneling works:
WPF RoutedEvent inconsistency: ListViewItem.MouseDoubleClick Not bubbling correct e.Source

WPF RoutedEvent inconsistency: ListViewItem.MouseDoubleClick Not bubbling correct e.Source


By : opticalFiber
Date : March 29 2020, 07:55 AM
I wish this helpful for you Simply put, the ListViewItem.MouseDoubleClick event is not a RoutedEvent like the ButtonBase.Click event. It uses the MouseButtonEventHandler delegate and a Direct routing strategy where as the ButtonBase.Click event is a RoutedEvent with a Bubbling strategy. They are different types of events and are implemented differently.
Can Angular use capture rather than bubbling to catch events?

Can Angular use capture rather than bubbling to catch events?


By : sirding
Date : March 29 2020, 07:55 AM
I wish this help you Currently this can only be done adding event handlers imperatively.
There are plans though to support that in the future
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