. (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).