runceel

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.Web.Syndication;

namespace App1
{

runceel

<Page
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App11"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:Interactivity="using:Microsoft.Xaml.Interactivity" xmlns:Core="using:Microsoft.Xaml.Interactions.Core" xmlns:Media="using:Microsoft.Xaml.Interactions.Media"
    x:Class="App11.MainPage"
    mc:Ignorable="d">
	<Page.Resources>

runceel

// こんなんどっかで用意して
interface IDloalogService
{
  Task<bool> Confirm(string content, string title);
}

class DialogService : IDialogService
{
  private static IDialogService instance;
  public static IDialogService  Instance

runceel

using Codeplex.Reactive;
using System;
using System.Collections.Concurrent;
using System.Linq;
using System.Reactive.Linq;
using System.Runtime.CompilerServices;

namespace CSharp_vNext_ConsoleApplication2
{
    class Program

runceel

using Codeplex.Reactive.Extensions;
using Codeplex.Reactive.Notifiers;
using System;
using System.Diagnostics;
using System.Reactive;
using System.Reactive.Disposables;
using System.Reactive.Linq;
using System.Reactive.Subjects;

namespace ConsoleApplication6

runceel

using System;
using Android.App;
using Android.Content;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.OS;
using Codeplex.Reactive.Binding;
using Codeplex.Reactive;
using Codeplex.Reactive.Extensions;

runceel

// ネットに接続されてる間はtrueとか
var connected = new BooleanNotifier();
// ダウンロード中はtrueとか
var downloading = new BooleanNotfier();

var command = new[] 
  {
    connected,
    downloading.Select(x => !x)
  }

runceel

// これなら作れるかも
this.Name = model                                                 
    .ObserveProperty(x => x.Name)                                 
    .ToReactiveProperty()                                         
    .SetValidateNotifyError(x =>                                  
        string.IsNullOrWhiteSpace(x) ? "Name is required" : null)
    .Valid(x => model.Name = x);

runceel

using Codeplex.Reactive;
using System;
using System.Reactive;
using System.Reactive.Subjects;
using System.Windows;
using System.Windows.Interactivity;
using System.Reactive.Linq;

namespace WpfApplication1
{

runceel

IsAnyToBeErased = Profiles
    .CollectionChangedAsObservable()
    .SelectMany(_ => Observable.Defer<bool>(() =>
    {
        return Profiles.Select(x => x.ObserveProperty(y => y.IsToBeErased)).Merge();
    }))
    .Select(_ => Profiles.Any(x => x.IsToBeErased))
    .ToReactiveProperty();