本文整理匯總了VB.NET中System.Threading.Tasks.ParallelLoopState.Break方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET ParallelLoopState.Break方法的具體用法？VB.NET ParallelLoopState.Break怎麽用？VB.NET ParallelLoopState.Break使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Threading.Tasks.ParallelLoopState的用法示例。
在下文中一共展示了ParallelLoopState.Break方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: Example
' 導入命名空間
Imports System.Threading
Imports System.Threading.Tasks
Module Example
Public Sub Main()
Dim rnd As New Random()
Dim breakIndex As Integer = rnd.Next(1, 11)
Dim lowest As New Nullable(Of Long)()
Console.WriteLine("Will call Break at iteration {0}", breakIndex)
Console.WriteLine()
Dim result = Parallel.For(1, 101, Sub(i, state)
Console.WriteLine("Beginning iteration {0}", i)
Dim delay As Integer
Monitor.Enter(rnd)
delay = rnd.Next(1, 1001)
Monitor.Exit(rnd)
Thread.Sleep(delay)
If state.ShouldExitCurrentIteration Then
If state.LowestBreakIteration < i Then
Return
End If
End If
If i = breakIndex Then
Console.WriteLine("Break in iteration {0}", i)
state.Break()
If state.LowestBreakIteration.HasValue Then
If lowest < state.LowestBreakIteration Then
lowest = state.LowestBreakIteration
Else
lowest = state.LowestBreakIteration
End If
End If
End If
Console.WriteLine("Completed iteration {0}", i)
End Sub )
Console.WriteLine()
If lowest.HasValue Then
Console.WriteLine("Lowest Break Iteration: {0}", lowest)
Else
Console.WriteLine("No lowest break iteration.")
End If
End Sub
End Module輸出：
Will call Break at iteration 8 Beginning iteration 1 Beginning iteration 13 Beginning iteration 97 Beginning iteration 25 Beginning iteration 49 Beginning iteration 37 Beginning iteration 85 Beginning iteration 73 Beginning iteration 61 Completed iteration 85 Beginning iteration 86 Completed iteration 61 Beginning iteration 62 Completed iteration 86 Beginning iteration 87 Completed iteration 37 Beginning iteration 38 Completed iteration 38 Beginning iteration 39 Completed iteration 25 Beginning iteration 26 Completed iteration 26 Beginning iteration 27 Completed iteration 73 Beginning iteration 74 Completed iteration 62 Beginning iteration 63 Completed iteration 39 Beginning iteration 40 Completed iteration 40 Beginning iteration 41 Completed iteration 13 Beginning iteration 14 Completed iteration 1 Beginning iteration 2 Completed iteration 97 Beginning iteration 98 Completed iteration 49 Beginning iteration 50 Completed iteration 87 Completed iteration 27 Beginning iteration 28 Completed iteration 50 Beginning iteration 51 Beginning iteration 88 Completed iteration 14 Beginning iteration 15 Completed iteration 15 Completed iteration 2 Beginning iteration 3 Beginning iteration 16 Completed iteration 63 Beginning iteration 64 Completed iteration 74 Beginning iteration 75 Completed iteration 41 Beginning iteration 42 Completed iteration 28 Beginning iteration 29 Completed iteration 29 Beginning iteration 30 Completed iteration 98 Beginning iteration 99 Completed iteration 64 Beginning iteration 65 Completed iteration 42 Beginning iteration 43 Completed iteration 88 Beginning iteration 89 Completed iteration 51 Beginning iteration 52 Completed iteration 16 Beginning iteration 17 Completed iteration 43 Beginning iteration 44 Completed iteration 44 Beginning iteration 45 Completed iteration 99 Beginning iteration 4 Completed iteration 3 Beginning iteration 8 Completed iteration 4 Beginning iteration 5 Completed iteration 52 Beginning iteration 53 Completed iteration 75 Beginning iteration 76 Completed iteration 76 Beginning iteration 77 Completed iteration 65 Beginning iteration 66 Completed iteration 5 Beginning iteration 6 Completed iteration 89 Beginning iteration 90 Completed iteration 30 Beginning iteration 31 Break in iteration 8 Completed iteration 8 Completed iteration 6 Beginning iteration 7 Completed iteration 7 Lowest Break Iteration: 8