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ODA IFC SDK
API Reference > OdDAI Namespace > Classes > ApplicationInstance Class > ApplicationInstance Methods > validateWhereRule Method > ApplicationInstance::validateWhereRule Method (const char *)
ApplicationInstance::validateWhereRule Method (const char *)
Syntax
C++
Logical validateWhereRule(const char * ruleName) const;

Checks the constraint (Where-Rule) for the application instance. The constraint (Where-Rule) is defined within the application entity definition or within a parent application entity definition.

Parameters
Description
ruleName
[in] A null-terminated string that contains the name of the constraint (Where-Rule) to be validated.
  • true if the constraint is satisfied.
  • false if the constraint is violated.
  • unknown if the constraint is not defined or can not be evaluated for any reason (an EXPRESS error, incorrectly filled data, mandatory data is unset, etc.).
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