TaskFactory.ContinueWhenAll(Of TAntecedentResult) Method (Task(Of TAntecedentResult)(), Action(Of Task(Of TAntecedentResult)()))
[ 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 TAntecedentResult) ( _ tasks As Task(Of TAntecedentResult)(), _ continuationAction As Action(Of Task(Of TAntecedentResult)()) _ ) As Task
Type Parameters
- TAntecedentResult
The type of the result of the antecedent tasks.
Parameters
- tasks
- Type:
System.Threading.Tasks.Task(Of TAntecedentResult)
()
The array of tasks from which to continue.
- continuationAction
- Type: System.Action(Of
Task(Of TAntecedentResult)
())
The action delegate to execute when all tasks in the tasks array have completed.
| Exception | Condition |
|---|---|
| ObjectDisposedException | The exception that is thrown when one of the elements in the tasks array has been disposed. |
| ArgumentNullException | The exception that is thrown when the tasks array is null. -or- The exception that is thrown when the continuationAction 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. |