Reads a variable from the filter's buffer (from the current
position in the buffer).
variable = object.GetVar(type, size)
type - A numeric constant. Specifies the type of the value
to be read. See the type constants.
size - Size is used only if the type constant does not
define the type's size implicitly. Currently this value is not
ignored only for strings.
returned result: The value read from the buffer.
This method is for low level access to the data contained in the
filter's buffer and as consequence the data in a stream if the filter
is used for low level access to a stream.
Applies to: SFFilter object
Windows 95/NT and later
Windows CE 3.0 and later
Pocket PC/Windows Mobile 2003 and later
Windows CE.NET 4 and later