VB.NET ArrayList.TrimToSize方法代碼示例

本文整理匯總了VB.NET中System.Collections.ArrayList.TrimToSize方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET ArrayList.TrimToSize方法的具體用法？VB.NET ArrayList.TrimToSize怎麽用？VB.NET ArrayList.TrimToSize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.Collections.ArrayList的用法示例。

在下文中一共展示了ArrayList.TrimToSize方法的2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: Main

' 導入命名空間
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

開發者ID:VB.NET開發者，項目名稱:System.Collections，代碼行數:62，代碼來源:ArrayList.TrimToSize

輸出：

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

' 導入命名空間
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

開發者ID:VB程序員，項目名稱:System.Collections，代碼行數:37，代碼來源:ArrayList.TrimToSize

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