Locate an Item in a Windows Forms ListBox Control

Dim index As Integer
index = ListBox1.FindString(“Maria”)
If index <> ListBox.NoMatches Then
‘ Item found.
Else
‘ Item not found.
End If

add an element to a XML Document

Dim newElement As XMlNode
newElement=xmlDoc.CreateElement{“keyword”}
newElement.innerText=”Value”
xmlDoc.AppendChild{newElement}