Progranas de la calculadora y del promedio en VIsual Basic

Manejo de técnicas de Programación

Programas de la calculadora y del promedio en visual estudio

Cuatro calificaciones en visual estudio

Public Class Form1

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

        Dim calif1, calif2, calif3, calif4 As Integer

        calif1 = TextBox1.Text

        calif2 = TextBox2.Text

        calif3 = TextBox3.Text

        calif4 = TextBox4.Text

        TextBox5.Text = (calif1 + calif2 + calif3 + calif4) / 4

    End Sub

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

        TextBox1.Text = ""

        TextBox2.Text = ""

        TextBox3.Text = ""

        TextBox4.Text = ""

        TextBox5.Text = ""

    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        Dim resp As String

        resp = MsgBox("Desea Salir Del Programa?", vbYesNo, "salir")

        If resp = vbYes Then

            End

        End If

    End Sub

End Class