ArrayList.IsReadOnly Property tells whether the ArrayList is read-only.

 

Imports System
Imports System.Collections

Public Class SamplesArrayList
   Public Shared Sub Main()
      Dim myAL As New ArrayList()
      myAL.Add("A")
      myAL.Add("B")
      myAL.Add("C")

      Dim myReadOnlyAL As ArrayList = ArrayList.ReadOnly(myAL)

      If myAL.IsReadOnly Then
         Console.WriteLine("myAL is read-only.")
      Else
         Console.WriteLine("myAL is writable.")
      End If

      If myReadOnlyAL.IsReadOnly Then
         Console.WriteLine("myReadOnlyAL is read-only.")
      Else
         Console.WriteLine("myReadOnlyAL is writable.")
      End If

   End Sub
End Class

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14.	ArrayList.GetEnumerator returns an enumerator for a range of elements in the ArrayList.
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25.	Sorts the elements in a range in ArrayList using the specified comparer.
26.	Sorts the elements in the entire ArrayList.
27.	Copies the elements of the ArrayList to a new array of the specified element type.
28.	Reverses the order of the elements in a range.

ArrayList.IsReadOnly Property tells whether the ArrayList is read-only. : ArrayList « Data Structure « VB.Net

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