TaskFactory<TResult>.FromAsync Method (Func<AsyncCallback, Object, IAsyncResult>, Func<IAsyncResult, TResult>, Object, TaskCreationOptions)
Creates a task that represents a pair of begin and end methods that conform to the Asynchronous Programming Model pattern.
Assembly: mscorlib (in mscorlib.dll)
public Task<TResult> FromAsync( Func<AsyncCallback, object, IAsyncResult> beginMethod, Func<IAsyncResult, TResult> endMethod, object state, TaskCreationOptions creationOptions )
System.Func<AsyncCallback, Object, IAsyncResult>
The delegate that begins the asynchronous operation.
The delegate that ends the asynchronous operation.
An object containing data to be used by the beginMethod delegate.
One of the enumeration values that controls the behavior of the created task.
This method throws any exceptions thrown by the beginMethod. Exceptions for endmethod are thrown when waiting on the returned task.
Available since 4.5
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Available since 5.0
Windows Phone Silverlight
Available since 8.0
Available since 8.1