TaskFactory.FromAsync Method (Func<AsyncCallback, Object, IAsyncResult>, Action<IAsyncResult>, Object, TaskCreationOptions)
Creates a task that represents a pair of begin and end methods that conform to the Asynchronous Programming Model (APM).
Assembly: mscorlib (in mscorlib.dll)
public Task FromAsync( Func<AsyncCallback, Object, IAsyncResult> beginMethod, Action<IAsyncResult> endMethod, Object state, TaskCreationOptions creationOptions )
- Type: System.Func<AsyncCallback, Object, IAsyncResult>
The delegate that begins the asynchronous operation.
- Type: System.Object
An object containing data to be used by the beginMethod delegate.
- Type: System.Threading.Tasks.TaskCreationOptions
A bitwise combination of the enumeration values that control the behavior of the created task.
Return ValueType: System.Threading.Tasks.Task
The created task that represents the asynchronous operation.
The beginMethod delegate is started on the thread that FromAsync() is running on. This method throws any exceptions thrown by the beginMethod delegate.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.