how to create login form

[Karuna_2]

dear sir
my projct include login form .it in side availbele serial key and activation key .when i insert
serialkey and activaion key i want to start my second form .but when i close my second form (fully application)
after when i restart my application i want to start wit hout my logging form. please help me.
thankyou
wansa

'loging form

 If sm.CheckKey(key) Then
            MessageBox.Show("Activation was successful")
            If My.Settings.Setting = False Then
                settings.Save()
                Form2.Show()
                Me.Close()
            End If
        Else
            MessageBox.Show("Activation was unsuccessful")
        End If
    End Sub
End Class

'second form

Public Class Form2
    Dim settings As New My.MySettings
    Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        If My.Settings.Setting = False Then
            settings.Save()
            Form1.Close()
        End If
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        End
    End Sub
End Class

[Karuna_2]

dear sir

actually i want to one time activation method.

thank you

wansa

[tinstaafl]

One way is to use the Application Settings Feature of .net.