
Automation 2-7
2-7
type shown is not a string, Boolean, variant, double, integer, or
long then it is most likely an object. The object type shown is
found somewhere in the object list and is the next step to
determining the object hierarchy.
With prior experience in HYSYS the flowsheet object is a logical
choice. Selecting the flowsheet object in the object list shows
the associated properties and methods. There is an
EnergyStreams property, a MaterialStreams property, and a
Streams property. All three of these properties are of type
Streams and are therefore objects. In this case some previous
experience in using HYSYS would suggest that MaterialStreams
is the object of interest.
The MaterialStreams object is of type Streams. Examining the
Streams object does not reveal any temperature properties. The
Streams object is a collection object, which is simply an object
that is a collection of other objects with some properties and
methods for navigating through the collection.
In this case the Streams object is a collection of ProcessStream
Figure 2.3
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