Label1.Font = New Font(Label1.Font, FontStyle.Strikeout)
Dim styles As FontStyle = Label1.Font.Style
Label1.Font = New Font(Label1.Font, styles Or FontStyle.Strikeout)
Label1.Font = New Font(Label1.Font, styles And Not FontStyle.Strikeout)
Label1.Font = New Font(Label1.Font, Label1.Font.Style Or FontStyle.Strikeout)