Public Overloads Shared Function Read( _
   ByVal io As Stream, _
   ByVal nBytes As Integer _
) As Byte()

public static byte[] Read( 
   Stream io,
   int nBytes
)

byte[] testdata = new byte[2048];
new Random().NextBytes(testdata);

byte[] copy = new byte[testdata.Length];
IOStream.Read(FragmentStream(testdata, 16), copy);
Assert.AreEqual(Convert.ToBase64String(testdata), Convert.ToBase64String(copy));

byte[] copyb = new byte[testdata.Length / 2];
using (Stream s = FragmentStream(testdata, 16))
{
    IOStream.Read(s, copy, copy.Length - copyb.Length);
    IOStream.Read(s, copyb);
}
Array.Copy(copyb, 0, copy, copy.Length - copyb.Length, copyb.Length);
Assert.AreEqual(Convert.ToBase64String(testdata), Convert.ToBase64String(copy));

copy = IOStream.Read(FragmentStream(testdata, 16), testdata.Length);
Assert.AreEqual(Convert.ToBase64String(testdata), Convert.ToBase64String(copy));

Dim testdata As Byte() = New Byte(2048) {}
New Random().NextBytes(testdata)

Dim copy As Byte() = New Byte(testdata.Length) {}
IOStream.Read(FragmentStream(testdata, 16), copy)
Assert.AreEqual(Convert.ToBase64String(testdata), Convert.ToBase64String(copy))

Dim copyb As Byte() = New Byte(testdata.Length / 2) {}
Using s As Stream = FragmentStream(testdata, 16)
    IOStream.Read(s, copy, copy.Length - copyb.Length)
    IOStream.Read(s, copyb)
End Using
Array.Copy(copyb, 0, copy, copy.Length - copyb.Length, copyb.Length)
Assert.AreEqual(Convert.ToBase64String(testdata), Convert.ToBase64String(copy))

copy = IOStream.Read(FragmentStream(testdata, 16), testdata.Length)
Assert.AreEqual(Convert.ToBase64String(testdata), Convert.ToBase64String(copy))