Ejercicios de programación .net (nivel inicial)

Public Class Form3
Private Sub salario_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Handles salario.Click
Dim C, V, VT, I, T
C = Val(CANT.Text)
V = Val(VUNI.Text)
VT = C * V
I = VT * 0.12
T = VT + I
ListBox1.Items.Add(PROD.Text)
VTOTAL.Text = VT
IVA.Text = I
TOTAL.Text = T
End Sub
Private Sub Button10_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Handles Button10.Click
ListBox1.Items.Clear()
VTOTAL.Text = ""
IVA.Text = ""
TOTAL.Text = ""
CANT.Text = ""
VUNI.Text = ""
PROD.Text = ""
PROD.Focus()
End Sub
Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Handles Button8.Click
Form1.Close()
End Sub
Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Handles Button9.Click
fORM4.SHOW()
Me.Hide()
End Sub
End Class
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