Drop.box Help VB

using System.Net; // Don't forget to include this since it seems like you don't know what you're doing...

WebClient wc = new WebClient();
MessageBox.Show(wc.DownloadString("https://dl.*******userconten*****m/u/12892748/theString.txt"));

Imports System.Net
Public Class Form1

    Private WithEvents httpClient As New WebClient
    'You need the ?dl=1 at the end of your URL, if you use Dropbo*, otherwise it will return a exception
    Private URL As New Uri("https://www.Dropbo*.com/s/7nvdc57pv9wztk9/string.txt?dl=1")

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Try
            'Download the string in a different thread
            httpClient.DownloadStringAsync(URL)
        Catch ex As Exception
            'If the download fails, this MessageBox will shown
            MessageBox.Show(ex.Message, Application.ProductName + ": An error occured.", MessageBoxButtons.OK, MessageBoxIcon.Error)
        End Try
    End Sub

    Private Sub httpClient_DownloadProgressChanged(sender As Object, e As DownloadProgressChangedEventArgs) Handles httpClient.DownloadProgressChanged
        'The Progress of the downloaded string/file (requires a ProgressBar)
        ProgressBar1.Value = e.ProgressPercentage
    End Sub

    Private Sub httpClient_DownloadStringCompleted(sender As Object, e As DownloadStringCompletedEventArgs) Handles httpClient.DownloadStringCompleted
        'If the download is complete, this MessageBox will shown
        MessageBox.Show("Download was successfully and is completed." + vbNewLine + "Content of the downloaded string:" + vbNewLine + e.Result,
                        Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information)
    End Sub

End Class