public virtual ErrorCode Read(
	IntPtr buffer,
	int offset,
	int count,
	int timeout,
	out int transferLength
)

Public Overridable Function Read ( _
	buffer As IntPtr, _
	offset As Integer, _
	count As Integer, _
	timeout As Integer, _
	<OutAttribute> ByRef transferLength As Integer _
) As ErrorCode

public:
virtual ErrorCode Read(
	IntPtr buffer, 
	int offset, 
	int count, 
	int timeout, 
	[OutAttribute] int% transferLength
)