Overridable Sub Read( _ ByVal pv() As Byte, _ ByVal cb As UInteger, _ ByRef pcbRead As UInteger _ )
Dim instance As IStream Dim pv() As Byte Dim cb As UInteger Dim pcbRead As UInteger instance.Read(pv, cb, pcbRead)
virtual void Read( out byte[] pv, uint cb, out uint pcbRead )