blob: 3eabb018301e16cabe6c8f353068e341c19687fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using PortableLibraryProfile7;
namespace WpfApp45
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void button1_Click(object sender, RoutedEventArgs e)
{
var clock = MyExtensions.GetClock().AsQbservable().Select(_ => _).AsObservable();
var input = Observable.FromEventPattern<TextChangedEventArgs>(textBox1, "TextChanged").Select(evt => ((TextBox)evt.Sender).Text).Throttle(TimeSpan.FromSeconds(.5)).DistinctUntilChanged();
var xs = from word in input.StartWith("")
from length in Task.Run(async () => { await Task.Delay(250); return word.Length; })
select length;
var res = xs.CombineLatest(clock, (len, now) => now.ToString() + " - Word length = " + len);
res.ObserveOnDispatcher().Subscribe(s =>
{
label1.Text = s.ToString();
});
}
}
}
|