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#include "ltdic.h"
static pDICOMCONTEXTGROUP LDicomContextGroup::GetPrev(pContextGroup)
Returns a pointer to the Context Group in the Context Group Table that immediately precedes the specified Context Group.
Pointer to a DICOMCONTEXTGROUP structure that specifies a Context Group in the Context Group Table. The function will return a pointer to the structure that specifies the Group that immediately precedes this Group, if there is one.
| Value | Meaning |
|---|---|
| !NULL | Pointer to a DICOMCONTEXTGROUP structure that specifies the Context Group in the Context Group Table that immediately precedes the Group specified by pContextGroup. |
| NULL | No Context Group precedes the one specified by pContextGroup. (pContextGroup is the first Context Group in the table.) |
Along with this function, the following functions can be used to maneuver through the Context Groups in the Context Group Table:
You can also use the LDicomContextGroup::GetCount and LDicomContextGroup::FindIndex functions to enumerate the Context Groups in the table.
The Coded Concepts of a Context Group can be investigated using the following functions:
LDicomContextGroup::GetFirstCodedConcept
LDicomContextGroup::GetLastCodedConcept
LDicomContextGroup::GetNextCodedConcept
LDicomContextGroup::GetPrevCodedConcept
LDicomContextGroup::GetCountCodedConcept
LDicomContextGroup::FindIndexCodedConcept
Required DLLs and Libraries
Win32, x64
For an example, refer to LDicomContextGroup::GetFirst.
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