Public Overloads Sub Add( _
   ByVal bytes() As Byte, _
   ByVal start As Integer, _
   ByVal length As Integer _
) 

public void Add( 
   byte[] bytes,
   int start,
   int length
)

Crc64 all = new Crc64(new byte[] { 0x2, 0x3, 0x4, 0x5, 0x6 });
Crc64 crc = new Crc64();
Assert.AreEqual(0, crc.Value);
crc.Add(new byte[] { 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8 }, 1, 5);
Assert.AreEqual(all.Value, crc.Value);

Dim all As New Crc64(New Byte() {&H2, &H3, &H4, &H5, &H6})
Dim crc As New Crc64()
Assert.AreEqual(0, crc.Value)
crc.Add(New Byte() {&H1, &H2, &H3, &H4, &H5, &H6, _
    &H7, &H8}, 1, 5)
Assert.AreEqual(all.Value, crc.Value)