TaskFactory.ContinueWhenAll Method (Task[], Action(Task[]), TaskContinuationOptions)
Creates a continuation Task that will be started upon the completion of a set of provided Tasks.
Namespace: System.Threading.Tasks
Assembly: mscorlib (in mscorlib.dll)
member ContinueWhenAll :
tasks:Task[] *
continuationAction:Action<Task[]> *
continuationOptions:TaskContinuationOptions -> Task
Parameters
- tasks
- Type: System.Threading.Tasks.Task[]
The array of tasks from which to continue.
- continuationAction
- Type: System.Action(Task[])
The action delegate to execute when all tasks in the tasks array have completed.
- continuationOptions
- Type: System.Threading.Tasks.TaskContinuationOptions
The TaskContinuationOptions value that controls the behavior of the created continuation Task.
| 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. |
| ArgumentOutOfRangeException | The exception that is thrown when the continuationOptions argument specifies an invalid TaskContinuationOptions value. The exception that is thrown when the creationOptions argument specifies an invalid TaskCreationOptions value. For more information, see the Remarks for FromAsync |
| 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. |
The NotOn* and OnlyOn* TaskContinuationOptions, which constrain for which TaskStatus states a continuation will be executed, are illegal with ContinueWhenAll.
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.
