Loading a File into a Byte Array

How to load a file into a byte array in Visual Basic .NET

        ' Open a file that is to be loaded into a byte array
        Dim oFile As System.IO.FileInfo
        oFile = New System.IO.FileInfo("byte-data.dat")

        Dim oFileStream As System.IO.FileStream = oFile.OpenRead()
        Dim lBytes As Long = oFileStream.Length

        Dim fileData(lBytes) As Byte

        ' Read the file into a byte array
        oFileStream.Read(fileData, 0, lBytes)
        oFileStream.Close()