Mostrar artículos ordenados por precio Codigo Fuente en Visual Basic

Problema
Hacer un programa o algoritmo que permita mostrar artículos de abarrotes ordenados por mayor precio y mostrar los 5 artículos de menor precio.

Solución

• Entrada: Arroz 29, Papa 15, Azúcar 10, Pan 2, Jabón 5,Harina 16,Leche 45

• Salida: Leche 45, Arroz 29, Harina 16, Papa 15, Azúcar 10, Jabón 5,  Pan 2

Codigo Fuente en Visual Basic

Public Class Form1
    Dim w As Integer = 0
    Dim c As Integer = 0
    Dim cad As String = ""
    Dim t, p, lon, tem As Integer
    Dim n, aux As String
    Dim Art() As String
    Dim Prec() As Integer
    Public Sub inicializar(ByVal tam As Integer)
        ReDim Art(tam - 1)
        For i As Integer = 0 To (tam - 1)
            Art(i) = ""
        Next i
        ReDim Prec(tam - 1)
        For j As Integer = 0 To (tam - 1)
            Prec(j) = 0
        Next j
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object,
    ByVal e As System.EventArgs) Handles Button1.Click
        cad = ""
        lon = TextBox1.Text
        n = TextBox2.Text
        p = TextBox3.Text
        If (c <> lon) Then
            Art(c) = n
            Prec(c) = p
            c = c + 1
        Else
            While (w <> (lon - 1))
                w = 0
                For k As Integer = 0 To (lon - 2)
                    If (Prec(k) >= Prec(k + 1)) Then
                        w = w + 1
                    Else
                        tem = Prec(k)
                        Prec(k) = Prec(k + 1)
                        Prec(k + 1) = tem
                        aux = Art(k)
                        Art(k) = Art(k + 1)
                        Art(k + 1) = aux
                    End If
                Next k
            End While
            For x As Integer = 0 To (lon - 1)
                cad = cad + "Articulo :  " + Art(x) + "  Precio : " +
                    Trim(Prec(x)) & vbCrLf
            Next x
            TextBox4.Text = cad
        End If
    End Sub
    Private Sub TextBox1_TextChanged(ByVal sender As System.Object,
    ByVal e As System.EventArgs) Handles TextBox1.TextChanged
        t = TextBox1.Text
        If (t < 6) Then
      MsgBox("Ingrese como minimo 6 articulo", MsgBoxStyle.Information)
        Else
            inicializar(t)
        End If
    End Sub
End Class

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