TaskFactory.ContinueWhenAll(TResult) Method (Task, Func(Task, TResult), CancellationToken)
Creates a continuation task that starts when a set of specified tasks has completed.
Assembly: mscorlib (in mscorlib.dll)
member ContinueWhenAll : tasks:Task * continuationFunction:Func<Task, 'TResult> * cancellationToken:CancellationToken -> Task<'TResult>
The type of the result that is returned by the continuationFunction delegate and associated with the created task.
- Type: System.Threading.Tasks.Task
The array of tasks from which to continue.
- Type: System.Func(Task, )
The function delegate to execute asynchronously when all tasks in the tasks array have completed.
- Type: System.Threading.CancellationToken
The cancellation token to assign to the new continuation task.
Return ValueType: System.Threading.Tasks.Task()
The new continuation task.
An element in the tasks array has been disposed.
The CancellationTokenSource that created cancellationToken has already been disposed.
The tasks array is a null reference (Nothing in Visual Basic).
The continuationFunction argument is a null reference (Nothing in Visual Basic).
The tasks array is empty or contains a null value.
Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.