Hashtable.Add Method adds an element with the specified key and value into the Hashtable.

 

Imports System
Imports System.Collections

Public Class SamplesHashtable
    Public Shared Sub Main()
        Dim myHT As New Hashtable()
        myHT.Add("one", "The")
        myHT.Add("two", "quick")
        myHT.Add("three", "brown")
        myHT.Add("four", "fox")

        PrintKeysAndValues(myHT)

    End Sub 'Main

    Public Shared Sub PrintKeysAndValues(myHT As Hashtable)
        Dim de As DictionaryEntry
        For Each de In  myHT
            Console.WriteLine(vbTab + "{0}:" + vbTab + "{1}", de.Key, de.Value)
        Next de
    End Sub 

End Class

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8.	Hashtable.Clear Method removes all elements from the Hashtable.
9.	Hashtable.Contains Method Determines whether the Hashtable contains a specific key.
10.	Hashtable.CopyTo Method copies the Hashtable elements to a one-dimensional Array instance at the specified index.
11.	Hashtable.GetEnumerator Method returns an IDictionaryEnumerator that iterates through the Hashtable.
12.	Displays the keys and values of the Hashtable using foreach statement
13.	Hashtable.IsSynchronized Property gets a value indicating whether access to the Hashtable is synchronized (thread safe).
14.	Hashtable.Remove Method removes the element with the specified key from the Hashtable.

Hashtable.Add Method adds an element with the specified key and value into the Hashtable. : HashTable « Data Structure « VB.Net

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