ADT_Types - - internal feature (not documented)
Enumarators overview
- ADT_Constant
(4) - Constant value
- ADT_Expression
(3) - Expression
- ADT_Function
(2) - Function
- ADT_PropertyPath
(1) - Property path
- ADT_Type
(7) - Type name
- ADT_View
(10) - View reference
- ADT_undefined
(0) - No expression type defined
Enumerator details
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ADT_undefined - No expression type defined
The property defined is not included in the view. This type can be used for disabling view properties temporarily.
Code: 0
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ADT_PropertyPath - Property path
The data source for the property is referred to as property path. The path must start with a property, which is part of the view domain.
Code: 1
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ADT_Function - Function
The data reference is evaluated by a function, which must be defined in the structure context of the view.
Code: 2
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ADT_Expression - Expression
The property is evaluated by means of an expression, which must be a valid expression in the context of the view domain.
Code: 3
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ADT_Constant - Constant value
The view is defined as constant value. Depending on the data type of the constant the numerical (REAL) value or a string value is created. You may, however, define the type of the value explicit in the data type for the view property.
Code: 4
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ADT_Type - Type name
The data reference returns the type name of the structure of the current context (property handle). When the property handle is referring to a view or temporary collection, the type name is a temporary name created by the system. You may use the type name, however, for weak typed collections to determine the current type of an instance.
Code: 7
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ADT_View - View reference
A view reference refers to an operational view, which is a specific expression. Usually, view references are handled in the same way as expressions, and the view reference type is used only for better definition of a data reference.
Code: 10
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