VB.NET Tuple<T1,T2>.IStructuralComparable.CompareTo方法代码示例

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本文整理汇总了VB.NET中System.Tuple<T1,T2>.IStructuralComparable.CompareTo方法的典型用法代码示例。如果您正苦于以下问题：VB.NET Tuple<T1,T2>.IStructuralComparable.CompareTo方法的具体用法？VB.NET Tuple<T1,T2>.IStructuralComparable.CompareTo怎么用？VB.NET Tuple<T1,T2>.IStructuralComparable.CompareTo使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Tuple<T1,T2>的用法示例。

在下文中一共展示了Tuple<T1,T2>.IStructuralComparable.CompareTo方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1: Main

' 导入命名空间
Imports System.Collections
Imports System.Collections.Generic

Public Class ScoreComparer(Of T1, T2) : Implements IComparer
   Public Function Compare(x As Object, y As Object) As Integer _
                   Implements IComparer.Compare
      Dim tX As Tuple(Of T1, T2) = TryCast(x, Tuple(Of T1, T2))
      If tX Is Nothing Then
         Return 0
      Else
         Dim tY As Tuple(Of T1, T2) = DirectCast(y, Tuple(Of T1, T2))
         Return Comparer(Of T2).Default.Compare(tx.Item2, tY.Item2)             
      End If
   End Function
End Class

Module Example
   Public Sub Main()
      Dim scores() As Tuple(Of String, Nullable(Of Integer)) = 
                      { New Tuple(Of String, Nullable(Of Integer))("Jack", 78),
                        New Tuple(Of String, Nullable(Of Integer))("Abbey", 92), 
                        New Tuple(Of String, Nullable(Of Integer))("Dave", 88),
                        New Tuple(Of String, Nullable(Of Integer))("Sam", 91), 
                        New Tuple(Of String, Nullable(Of Integer))("Ed", Nothing),
                        New Tuple(Of String, Nullable(Of Integer))("Penelope", 82),
                        New Tuple(Of String, Nullable(Of Integer))("Linda", 99),
                        New Tuple(Of String, Nullable(Of Integer))("Judith", 84) }

      Console.WriteLine("The values in unsorted order:")
      For Each score In scores
         Console.WriteLine(score.ToString())
      Next
      Console.WriteLine()

      Array.Sort(scores, New ScoreComparer(Of String, Nullable(Of Integer))())

      Console.WriteLine("The values in sorted order:")
      For Each score In scores
         Console.WriteLine(score.ToString())
      Next
   End Sub
End Module

开发者ID:VB.NET开发者，项目名称:System，代码行数:43，代码来源:Tuple.IStructuralComparable.CompareTo

输出：

The values in unsorted order:
(Jack, 78)
(Abbey, 92)
(Dave, 88)
(Sam, 91)
(Ed, )
(Penelope, 82)
(Linda, 99)
(Judith, 84)

The values in sorted order:
(Ed, )
(Jack, 78)
(Penelope, 82)
(Judith, 84)
(Dave, 88)
(Sam, 91)
(Abbey, 92)
(Linda, 99)

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