WaitAll Method (Task[], Int32)

Task Parallel System.Threading

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(), _
	millisecondsTimeout As Integer _
) As Boolean
C#
public static bool WaitAll(
	Task[] tasks,
	int millisecondsTimeout
)

Parameters

tasks
Type: array< System.Threading.Tasks..::.Task >[]()[]
An array of Task instances on which to wait.
millisecondsTimeout
Type: System..::.Int32
The number of milliseconds to wait, or Infinite (-1) to wait indefinitely.

Return Value

true if all of the Task instances completed execution within the allotted time; otherwise, false.

Exceptions

ExceptionCondition
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..::.ObjectDisposedException The Task has been disposed.
System..::.ArgumentOutOfRangeException millisecondsTimeout is a negative number other than -1, which represents an infinite time-out.

See Also