Project/Add Referans 'tan COM sekmesine gelin ve Microsoft Speech Object Library 'yi işaretleyin.
Birde textbox1 ve button1 ekleyin.

Dim konus As New SpeechLib.SpVoice
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
TextBox1.Text = "Welcome computer system simyacix"
End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
konus.Speak(TextBox1.Text)
End Sub

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