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What is synchronous and asynchronous interfaces?
An interaction is synchronous if the caller of a method must wait for the method’s work to complete before the caller can continue its processing. An interaction is asynchronous if the called method returns immediately, allowing the caller to continue its processing without delay.
Do async methods have to return task?
For methods other than event handlers that don’t return a value, you should return a Task instead, because an async method that returns void can’t be awaited. Any caller of such a method must continue to completion without waiting for the called async method to finish.
What happens when a task throws an exception?
When exception are thrown in a code that runs inside a task, all the exceptions are placed on the task object and returned to the calling thread. When exceptions happen, all the exceptions are re-thrown by the calling thread.
Can you await void?
You use the void return type in asynchronous event handlers, which require a void return type. For methods other than event handlers that don’t return a value, you should return a Task instead, because an async method that returns void can’t be awaited.
How to call an async method synchronously in Microsoft identity?
Microsoft Identity has extension methods which call async methods synchronously. For example there is GenerateUserIdentityAsync () method and equal CreateIdentity () If you look at UserManagerExtensions.CreateIdentity () it look like this: So, this is your wrapper for async method.
Are there any asynchronous methods in ASP.NET?
ASP.NET has built-in support for asynchronous methods, either through asynchronous controllers (in ASP.NET MVC and Web API) or directly via AsyncManager and PageAsyncTask in classic ASP.NET. You should use it. For more details, check this answer. Microsoft Identity has extension methods which call async methods synchronously.
How does SkyDrive one use async and await?
Unfortunately while DatabaseFolderRepository implementation used synchronous methods to talk with database, skydrive one uses a lot of async and await. This is where the sub-section Async All the Way in the MSDN article I linked will be pertinent to your situation.
Can you call refreshlist from an async method?
If you have an async method called ” RefreshList ” then, you can call that async method from a non-async method like below. Thanks for contributing an answer to Stack Overflow!