Slides from my LIDNUG presentation on Asynchronous Programming.

2. Author. Blogger. Speaker. C# MVP. Geek.

8. 12:38

11. 12:38
Load app
content
Sort
data
Process
records
Asynchronous task

17. UsingTasks

23. UsingAsyncandAwait

27. private async Task RunAsync()
{
var x = 10;
await Task.Delay(2000);
Debug.WriteLine(x);
}

28. private Task RunAsync()
{
<RunAsync>d__1 stateMachine = new <RunAsync>d__1 {
<>t__builder = AsyncTaskMethodBuilder.Create(),
<>1__state = -1
};
stateMachine.<>t__builder.Start<<RunAsync>d__1>(ref stateMachine);
return stateMachine.<>t__builder.Task;
}

29. if (num != 0)
{
this.<x>5__1 = 10;
awaiter = Task.Delay(2000).GetAwaiter();
if (!awaiter.IsCompleted)
{
. . . . . . . . . . . .
return;
}
}
else
{
. . . . .
}
awaiter.GetResult();
awaiter = new TaskAwaiter();
Debug.WriteLine(this.<x>5__1);

31. private async void RunAsync()
{
var x = 10;
await Task.Delay(2000);
Debug.WriteLine(x);
}

32. private void RunAsync()
{
<RunAsync>d__1 stateMachine = new <RunAsync>d__1 {
<>t__builder = AsyncVoidMethodBuilder.Create(),
<>1__state = -1
};
stateMachine.<>t__builder.Start<<RunAsync>d__1>(ref stateMachine);
}

35. CloserlookatAsyncandAwait

38. AsyncandAwaitinASP.NET

43. $.post("ajax/test.html", function (data) {
$(".result").html(data);
})

44. Task.Run(() => { /* Lots of work to do! */ });
Task<string>.Run(() =>
{
/* Lots of work to do! */
return "Hello World!";
});

46. Task.Run(() => { /* Lots of work to do! */ })
.ContinueWith((t) => { Debug.WriteLine("Done!"); });
await Task.Run(() => { /* Lots of work to do! */ });
Debug.WriteLine("Done!");

47. Task.Run(() => "Hello World!")
.ContinueWith((task) => Debug.WriteLine(task.Result));
var result = await Task.Run(() => "Hello World!");
Debug.WriteLine(result);

48. private Task RunAsync()
{
<RunAsync>d__1 stateMachine = new <RunAsync>d__1 {
<>t__builder = AsyncTaskMethodBuilder.Create(),
<>1__state = -1
};
stateMachine.<>t__builder.Start<<RunAsync>d__1>(ref stateMachine);
return stateMachine.<>t__builder.Task;
}

49. Task.Run(() => { /* Lots of work to do! */ })
.ContinueWith((t) => { Debug.WriteLine("Done!"); });
await Task.Run(() => { /* Lots of work to do! */ });
Debug.WriteLine("Done!");

51. if (num != 0)
{
this.<x>5__1 = 10;
awaiter = Task.Delay(2000).GetAwaiter();
if (!awaiter.IsCompleted)
{
. . . . . . . . . . . .
return;
}
}
else
{
. . . . .
}
awaiter.GetResult();
awaiter = new TaskAwaiter();
Debug.WriteLine(this.<x>5__1);

56. Task.Delay(1).ContinueWith((t) =>
{
Dispatcher.Invoke(() =>
{
});
}).Wait();
RunAsync().Wait();

59. Author. Blogger. Speaker. C# MVP. Geek.