Here is free vb.net tutorial with project by dsp@nimbuzz.com

codes>>>


Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        If Label1.ForeColor = Color.Black Then
            Label1.ForeColor = Color.Green
        ElseIf Label1.ForeColor = Color.Green Then
            Label1.ForeColor = Color.Red
        ElseIf Label1.ForeColor = Color.Red Then
            Label1.ForeColor = Color.Yellow
        ElseIf Label1.ForeColor = Color.Yellow Then
            Label1.ForeColor = Color.Blue
        ElseIf Label1.ForeColor = Color.Blue Then
            Label1.ForeColor = Color.Black
        End If
    End Sub

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