Untitled

Public Class Form1

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim n1, n2 As Integer
        n1 = TextBox3.Text
        n2 = TextBox2.Text
        TextBox1.Text = n1 - n2
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim n1, n2 As Integer
        n1 = TextBox3.Text
        n2 = TextBox2.Text
        TextBox1.Text = n1 + n2
    End Sub
    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Dim n1, n2 As Integer
        n1 = TextBox3.Text
        n2 = TextBox2.Text
        TextBox1.Text = n1 * n2
    End Sub
    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        Dim n1, n2 As Integer
        n1 = TextBox3.Text
        n2 = TextBox2.Text
        TextBox1.Text = n1 / n2
    End Sub


    Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click

    End Sub

    Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click

    End Sub

    Private Sub Label3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label3.Click

    End Sub

    Private Sub Label4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label4.Click

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
End Class