Why does this give me a runtime error 424 ... object required


VB Code:
  1. Public Sub Opt(chkbox As CheckBox)

  2. If chkbox.Value = False Then

  3.     chkbox.Caption = "Add"

  4. ElseIf chkbox.Value = True Then

  5.     chkbox.Caption = "Option"

  6. End If

  7.  
  8. End Sub

Seahag