Oluşturulması:Bu programda 5 button,6 textbox,5 label,1 Combobox kullanılmıstır.Gerekli kodlar asagıda yazılıdır
[code lang=”vbnet”]
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
TextBox5.Text = TextBox5.Text
TextBox5.Text = Val(TextBox1.Text) + Val(TextBox2.Text) + Val(TextBox3.Text) + Val(TextBox4.Text)
TextBox5.Text = Val(TextBox5.Text) / 4
If TextBox5.Text >= 45 Then
TextBox5.BackColor = Color.Green
Else
End If
If TextBox5.Text < 45 Then
TextBox5.BackColor = Color.Red
End If
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
ComboBox1.Items.Add(TextBox6.Text)
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
ComboBox1.Items.Remove(TextBox6.Text)
End Sub
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
ComboBox1.Items.Clear()
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
End
End Sub
End Class
[/code]