MessengerRequestPage.xaml.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using MvvmSample.Core.ViewModels;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;

namespace MvvmSampleUwp.Views;

/// <summary>
/// An empty page that can be used on its own or navigated to within a Frame.
/// </summary>
public sealed partial class MessengerRequestPage : Page
{
    public MessengerRequestPage()
    {
        this.InitializeComponent();
    }

    public MessengerPageViewModel ViewModel => (MessengerPageViewModel)DataContext;

    /// <inheritdoc/>
    protected override void OnNavigatedTo(NavigationEventArgs e)
    {
        ViewModel.SenderViewModel.IsActive = true;
        ViewModel.ReceiverViewModel.IsActive = true;
    }

    /// <inheritdoc/>
    protected override void OnNavigatedFrom(NavigationEventArgs e)
    {
        ViewModel.SenderViewModel.IsActive = false;
        ViewModel.ReceiverViewModel.IsActive = false;
    }
}