. (keyword)

Syntax 1 object . property
Syntax 2 structure.member
Description Separates an object from a property or a structure from a structure member.
Examples This example uses the period to separate an object from a property. Sub Main()   MsgBox "The clipboard text is: " & Clipboard.GetText() End Sub
This example uses the period to separate a structure from a member. 
Type Rect
  left As Integer
  top As Integer
  right As Integer
  bottom As Integer
End Type
Sub Main()
  Dim r As Rect
  r. left = 10
  r. rigth = 12
  Msgbox "r.left = "& r.left & ", r.right = " & r.right
End Sub
See Also Objects (topic).