Hashtable.GetEnumerator Method returns an IDictionaryEnumerator that iterates through the Hashtable.

 

Imports System
Imports System.Collections

Public Class HashtableExample
    Public Shared Sub Main()
        Dim clouds As New Hashtable()
        clouds.Add("One", "1")
        clouds.Add("Two", "2")
        clouds.Add("Three", "3")

        Dim denum As IDictionaryEnumerator = clouds.GetEnumerator()
        Dim dentry As DictionaryEntry

        While denum.MoveNext()
            dentry = CType(denum.Current, DictionaryEntry)
            Console.WriteLine("    {0,-17}{1}", dentry.Key, dentry.Value)
        End While
    End Sub
End Class

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9.	Hashtable.Clear Method removes all elements from the Hashtable.
10.	Hashtable.Contains Method Determines whether the Hashtable contains a specific key.
11.	Hashtable.CopyTo Method copies the Hashtable elements to a one-dimensional Array instance at the specified index.
12.	Displays the keys and values of the Hashtable using foreach statement
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14.	Hashtable.Remove Method removes the element with the specified key from the Hashtable.

Hashtable.GetEnumerator Method returns an IDictionaryEnumerator that iterates through the Hashtable. : HashTable « Data Structure « VB.Net

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