programmation

// http://blog.stephencleary.com/2015/04/a-tour-of-task-part-10-promise-tasks.html

public Task<string> GetValueAsync(int key)
{
  string result;
  if (cache.TryGetValue(key, out result))
    return Task.FromResult(result);
  return DoGetValueAsync(key);
}

programmation

// http://stackoverflow.com/a/14933245

class JobProcessor<TInput, TOutput> : IDisposable
{
    private readonly Func<TInput, TOutput> m_transform;

    // or a custom type instead of Tuple
    private readonly
        BlockingCollection<Tuple<TInput, TaskCompletionSource<TOutput>>>
        m_queue =

programmation

// https://forums.xamarin.com/discussion/comment/119662/#Comment_119662

public class IconTabbedRenderer : TabbedRenderer
{
    protected override void DispatchDraw(
        global::Android.Graphics.Canvas canvas)
    {
        base.DispatchDraw(canvas);

        SetTabIcons();

programmation

// http://blog.adamkemp.com/2014/10/c-finalizers-and-idisposable.html

public class UnmanagedResourceHolder : IDisposable
{
    private bool _disposed;
    private OtherDisposableObject _otherDisposable;

    public UnmanagedResourceHolder()
    {
        AcquireUnmanagedResource();

programmation

// http://www.knowing.net/index.php/2014/07/10/

interface IFoo
{
    //Methods defined here, as always, must be implemented
    void Necessary ();
}
 
static class IFoo_Extensions
{

programmation

using System;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace Test
{
    public class DataTemplateSelectorExtension : IMarkupExtension
    {
        public Page Page { get; set; }

programmation

// List of interesting NuGet PCLs

Conditions
ExifLib
SharpSerializer
PCLStorage
BouncyCastlePCL (encryption)
Sockets
MathNet.Numerics
Zeroconf (Bonjour)

programmation

// http://blog.stephencleary.com/2015/04/a-tour-of-task-part-10-promise-tasks.html

interface IPlugin
{
  // Permit each plugin to initialize asynchronously.
  Task InitializeAsync();
}

class MyPlugin : IPlugin
{

programmation

// http://blog.stephencleary.com/2013/01/async-oop-2-constructors.html

public sealed class MyClass
{
  private MyData asyncData;
  private MyClass() { ... }

  private async Task<MyClass> InitializeAsync()
  {
    asyncData = await GetDataAsync();

programmation

// https://msdn.microsoft.com/en-us/library/hh228604(v=vs.110).aspx

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;