TaskFactory.ContinueWhenAll(Of TResult) Method (Task(), Func(Of Task(), TResult), CancellationToken)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Creates a continuation Task that will be started upon the completion of a set of provided Tasks.
Assembly: mscorlib (in mscorlib.dll)
'Declaration Public Function ContinueWhenAll(Of TResult) ( _ tasks As Task(), _ continuationFunction As Func(Of Task(), TResult), _ cancellationToken As CancellationToken _ ) As Task(Of TResult)
Type Parameters
- TResult
The type of the result that is returned by the continuationFunction delegate and associated with the created Task(Of TResult).
Parameters
- tasks
- Type:
System.Threading.Tasks.Task
()
The array of tasks from which to continue.
- continuationFunction
- Type: System.Func(Of
Task
(), TResult)
The function delegate to execute asynchronously when all tasks in the tasks array have completed.
- cancellationToken
- Type: System.Threading.CancellationToken
The CancellationToken that will be assigned to the new continuation task.
| Exception | Condition |
|---|---|
| ObjectDisposedException | The exception that is thrown when one of the elements in the tasks array has been disposed. -or- The CancellationTokenSource that created cancellationToken has already been disposed. |
| ArgumentNullException | The exception that is thrown when the tasks array is null. -or- The exception that is thrown when the continuationFunction argument is null. |
| ArgumentException | The exception that is thrown when the tasks array contains a null value. -or- The exception that is thrown when the tasks array is empty. |