VB.NET ArrayList.TrimToSize方法代码示例

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本文整理汇总了VB.NET中System.Collections.ArrayList.TrimToSize方法的典型用法代码示例。如果您正苦于以下问题：VB.NET ArrayList.TrimToSize方法的具体用法？VB.NET ArrayList.TrimToSize怎么用？VB.NET ArrayList.TrimToSize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.Collections.ArrayList的用法示例。

在下文中一共展示了ArrayList.TrimToSize方法的2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

Public Class SamplesArrayList    
    
    Public Shared Sub Main()
        
        ' Creates and initializes a new ArrayList.
        Dim myAL As New ArrayList()
        myAL.Add("The")
        myAL.Add("quick")
        myAL.Add("brown")
        myAL.Add("fox")
        myAL.Add("jumps")
        
        ' Displays the count, capacity and values of the ArrayList.
        Console.WriteLine("Initially,")
        Console.WriteLine("   Count    : {0}", myAL.Count)
        Console.WriteLine("   Capacity : {0}", myAL.Capacity)
        Console.Write("   Values:")
        PrintValues(myAL)
        
        ' Trim the ArrayList.
        myAL.TrimToSize()
        
        ' Displays the count, capacity and values of the ArrayList.
        Console.WriteLine("After TrimToSize,")
        Console.WriteLine("   Count    : {0}", myAL.Count)
        Console.WriteLine("   Capacity : {0}", myAL.Capacity)
        Console.Write("   Values:")
        PrintValues(myAL)
        
        ' Clear the ArrayList.
        myAL.Clear()
        
        ' Displays the count, capacity and values of the ArrayList.
        Console.WriteLine("After Clear,")
        Console.WriteLine("   Count    : {0}", myAL.Count)
        Console.WriteLine("   Capacity : {0}", myAL.Capacity)
        Console.Write("   Values:")
        PrintValues(myAL)
        
        ' Trim the ArrayList again.
        myAL.TrimToSize()
        
        ' Displays the count, capacity and values of the ArrayList.
        Console.WriteLine("After the second TrimToSize,")
        Console.WriteLine("   Count    : {0}", myAL.Count)
        Console.WriteLine("   Capacity : {0}", myAL.Capacity)
        Console.Write("   Values:")
        PrintValues(myAL)
    End Sub

    Public Shared Sub PrintValues(myList As IEnumerable)
        Dim obj As [Object]
        For Each obj In  myList
            Console.Write("   {0}", obj)
        Next obj
        Console.WriteLine()
    End Sub

End Class

开发者ID:VB.NET开发者，项目名称:System.Collections，代码行数:62，代码来源:ArrayList.TrimToSize

输出：

Initially,
Count    : 5
Capacity : 16
Values:    The    quick    brown    fox    jumps
After TrimToSize,
Count    : 5
Capacity : 5
Values:    The    quick    brown    fox    jumps
After Clear,
Count    : 0
Capacity : 5
Values:
After the second TrimToSize,
Count    : 0
Capacity : 16
Values:

示例2: MainClass

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

Public Class MainClass

   Public Shared Sub Main()
      Dim arrayList As arrayList = New arrayList(1)

      arrayList.Add("a")

      try
          Console.WriteLine(arrayList(0))
      Catch outOfRange As ArgumentOutOfRangeException
          Console.WriteLine(outOfRange.ToString())
      End Try

      Console.WriteLine(arrayList.Count)

      Console.WriteLine(arrayList.Contains("a"))
      
      Console.WriteLine(arrayList.IndexOf("a"))

      arrayList.Remove("a")

      arrayList.TrimToSize()
      Console.WriteLine(arrayList.Capacity)

      arrayList.Add("a")

      Dim enumerator As IEnumerator = arrayList.GetEnumerator()

      While enumerator.MoveNext()
         Console.WriteLine(enumerator.Current )
      End While 
   End Sub
End Class

开发者ID:VB程序员，项目名称:System.Collections，代码行数:37，代码来源:ArrayList.TrimToSize

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