TaskFactory.FromAsync<TResult> Method (Func<AsyncCallback, Object, IAsyncResult>, Func<IAsyncResult, TResult>, Object)
May 02, 2013
Creates a Task<TResult> 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<TResult>(
Func<AsyncCallback, Object, IAsyncResult> beginMethod,
Func<IAsyncResult, TResult> endMethod,
Object state
)
Type Parameters
- TResult
The type of the result available through the Task<TResult>.
Parameters
- beginMethod
- Type: System.Func<AsyncCallback, Object, IAsyncResult>
The delegate that begins the asynchronous operation.
- endMethod
- Type: System.Func<IAsyncResult, TResult>
The delegate that ends the asynchronous operation.
- state
- Type: System.Object
An object containing data to be used by the beginMethod delegate.
Return Value
Type: System.Threading.Tasks.Task<TResult>The created Task<TResult> that represents the asynchronous operation.
| Exception | Condition |
|---|---|
| ArgumentNullException | The exception that is thrown when the beginMethod argument is null. -or- The exception that is thrown when the endMethod argument is null. |
