API Reference > OdDAI Namespace > Classes > ApplicationInstance Class > ApplicationInstance Methods > testAttr Method > ApplicationInstance::testAttr Method (char *)
ApplicationInstance::testAttr Method (char *)
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Parameters |
Description |
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const char * attrName |
[in] An ANSI string that contains the attribute name. |
true if the attribute has a value; otherwise, the method returns false (it means that the attribute value is not set).
Retrieves whether the attribute value is set or is unset.
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