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Returns a pointer to the Coded Concept, in the same Context Group, that immediately precedes the specified Coded Concept.
#include "ltdic.h"
static pDICOMCODEDCONCEPT LDicomContextGroup::GetPrevCodedConcept(pCodedConcept)
Pointer to a DICOMCODEDCONCEPT structure that specifies a Coded Concept. The function Returns a pointer to the structure that specifies the Concept that immediately precedes this Concept (in their Context Group), if there is one.
| Value | Meaning |
|---|---|
| !NULL | Pointer to a DICOMCODEDCONCEPT structure that specifies the Coded Concept which immediately precedes the Concept specified by pCodedConcept. |
| NULL | No Coded Concept precedes the one specified by pCodedConcept. (pCodedConcept is the first Coded Concept in its Context Group.) |
Along with this function, the following functions can be used to maneuver through the Coded Concepts of a Context Group in the Context Group Table:
LDicomContextGroup::GetFirstCodedConcept
LDicomContextGroup::GetLastCodedConcept
LDicomContextGroup::GetNextCodedConcept
You can also use the LDicomContextGroup::GetCountCodedConcept and LDicomContextGroup::FindIndexCodedConcept functions to enumerate the Coded Concepts.
Use the LDicomContextGroup::GetContextGroup function to obtain the Context Group to which a Coded Concept belongs.
Win32, x64
For an example, refer to LDicomContextGroup::GetFirstCodedConcept.
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