How to combined multiple csv files into new csv file using DOS command?

In DOS Command I can combined multiple .csv file using this code.

Code:

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COPY *.csv NewCSVFile.csv

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Attachment 134211
I just write some code bt i dont know how to execute above command inside vb.net

Code:

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Imports System.Windows.Forms
Imports System.IO
Public Class CombineCSV
    Private Sub btnBrowse_Click(sender As Object, e As EventArgs) Handles btnBrowse.Click
        If (LocateCSVFolder.ShowDialog() = DialogResult.OK) Then
            txtLocateCSV.Text = LocateCSVFolder.SelectedPath
        End If
    End Sub

    Private Sub btnNewCSVLocation_Click(sender As Object, e As EventArgs) Handles btnNewCSVLocation.Click
        If (LocateCSVFolder.ShowDialog() = Windows.Forms.DialogResult.OK) Then
            txtNewCSVLocation.Text = LocateCSVFolder.SelectedPath
        End If
    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim xLocation As String
        Dim xNewLocation As String
        Dim xNewFileName As String

        xLocation = txtLocateCSV.Text 'Directory of csv files
        xNewLocation = txtNewCSVLocation.Text 'Directory of combined CSV
        xNewFileName = txtNewCSV.Text 'New Filename for combined csv ex. School_Details.csv

        'in dos i can do
        'copy xlocation\*.csv xNewlocation\xNewfileName

    End Sub


End Class

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Thanks for your time.

any idea bout how its done?