[vb.net] สอบถามเกี่ยวกับการใช้ button เปิดเอกสาร pdf โดยเก็บไฟลฺเอกสารตาม path

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Process.Start("D:\book.pdf")
        WebBrowser1.Navigate("D:\book.pdf") 
     AdobeReader.src = "D:\book.pdf"
    End Sub

Imports System.Diagnostics

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim proc As New Process()

        With proc.StartInfo
            .Arguments = "Your PDF Path eg:- C:\MyFiles\Ebook2007.pdf"
            .UseShellExecute = True
            .WindowStyle = ProcessWindowStyle.Maximized
            .WorkingDirectory = "C:\Program Files\Adobe\Reader 8.0\Reader\" '<----- Set Acrobat Install Path
            .FileName = "AcroRd32.exe" '<----- Set Acrobat Exe Name
        End With

        proc.Start()
        proc.Close()
        proc.Dispose()

    End Sub

End Class