Option Explicit
Private blnAssert As Boolean
Private intNumber As Integer

Private Sub Command1_Click()
    blnAssert = Not blnAssert
    intNumber = IIf(intNumber <> 0, 0, 1)
    Command1.Caption = intNumber
End Sub

Private Sub Command2_Click()
    Debug.Assert blnAssert
End Sub

Private Sub Form_Load()
    Command1.Caption = intNumber
    Command2.Caption = "Assert Tester"
End Sub
