TaskFactory.ContinueWhenAll Method (Task, Action<Task>)
Creates a continuation task that will be started upon the completion of a set of provided tasks.
Assembly: mscorlib (in mscorlib.dll)
- Type: System.Threading.Tasks.Task
The array of tasks from which to continue.
Return ValueType: System.Threading.Tasks.Task
The new continuation task.
This example demonstrates using ContinueWhenAll() to perform some continuation a set of previously started Tasks has completed.
// Create and start some tasks
var taskQueue = new Queue<Task>();
for (int i = 0; i < 10; i++)
// Do work.
// Perform some work with the tasks when they complete.
Task.Factory.ContinueWhenAll(taskQueue.ToArray(), completedTasks =>
// Do continuation work.
' Visual Basic
' Create and start some tasks
Dim taskQueue As New Queue(Of Task)()
For i As Integer = 0 To 9
' Do work.
' Perform some work with the tasks when they complete.
' Do continuation work.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.