Waits for all of the provided
Task objects to complete execution.
Namespace:
System.Threading.Tasks
Assembly:
System.Threading (in System.Threading.dll)
Syntax
| Visual Basic (Declaration) |
|---|
Public Shared Function WaitAll ( _
tasks As Task(), _
timeout As TimeSpan _
) As Boolean |
| C# |
|---|
public static bool WaitAll(
Task[] tasks,
TimeSpan timeout
) |
Parameters
- tasks
- Type: array<
System.Threading.Tasks..::.Task
>[]()[]
An array of Task instances on which to wait.
- timeout
- Type: System..::.TimeSpan
A TimeSpan that represents the number of milliseconds to wait, or a TimeSpan that represents -1 milliseconds to wait indefinitely.
Return Value
true if all of the
Task instances completed execution within the allotted time;
otherwise, false.
Exceptions
| Exception | Condition |
|---|
| System..::.ArgumentNullException |
The tasks argument is null.
|
| System..::.ArgumentException |
The tasks argument contains a null element.
|
| System..::.AggregateException |
At least one of the Task instances was canceled -or- an exception was thrown during
the execution of at least one of the Task instances.
|
| System..::.ArgumentOutOfRangeException |
timeout is a negative number other than -1 milliseconds, which represents an
infinite time-out -or- timeout is greater than
MaxValue.
|
| System..::.ObjectDisposedException |
The Task has been disposed.
|
See Also
