Как использовать программу из класса в коде

Public Class Form3
    Inherits Form
 
    Public Sub New()
        InitializeComponent()
    End Sub
 
    Public A As Integer()
    Private size As Integer
 
    Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs)
        size = Integer.Parse(textBox1.Text)
        A = New Integer(size - 1) {}
        ReDim A(size - 1)
        SL(size, A)
        out_put(size, A, textBox2)
    End Sub

ekz1OfClass1.SL(size, A)
ekz1OfClass1.out_put(size, A, textBox2)

Class1.SL(size, A)
Class1.out_put(size, A, textBox2)

 ReDim Preserve A(size - 1)

Public Class Class1
    Class SurroundingClass
        Public Shared Sub out_put(ByVal x As Integer(), ByVal B As System.Windows.Forms.TextBox)
            B.Text = ""
            For i As Byte = 0 To x.Length - 1
                B.Text += Convert.ToString(x(i)) & " "
            Next
        End Sub
 
        Public Shared Sub SL(ByRef x As Integer())
            Dim c As Random = New Random()
 
            For i As Byte = 0 To x.Length - 1
                x(i) = c.[Next](-1000, 1000)
            Next
        End Sub
    End Class
End Class

Class1.SurroundingClass.SL(A)
Class1.SurroundingClass.out_put(A, textBox2)