Thomas ,Need help with progrm

its coded in vb

Code:

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Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Timer1.Start()
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Timer1.Interval = TextBox1.Text
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Timer1.Stop()
    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        SendKeys.Send(RichTextBox1.Text)
        SendKeys.Send("()")
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        MsgBox("Made by iyan @ logicalgamers")
    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        Me.Close()
        MsgBox("Bye!")
    End Sub
End Class

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Can you help me to make it enter after the message instead of doing spamspamspam
and then it will do
spam
spam
spam

SendKeys.Send(Keys.Enter)