LDicomContextGroup::GetPrev

#include "ltdic.h"

static pDICOMCONTEXTGROUP LDicomContextGroup::GetPrev(pContextGroup)

pDICOMCONTEXTGROUP pContextGroup;

/* pointer to a Context Group */

Returns a pointer to the Context Group in the Context Group Table that immediately precedes the specified Context Group.

Parameter

Description

pContextGroup

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.

Returns

!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.)

Comments

Along with this function, the following functions can be used to maneuver through the Context Groups in the Context Group Table:

LDicomContextGroup::GetFirst

LDicomContextGroup::GetLast

LDicomContextGroup::GetNext

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

LTDIC

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

See Also

Functions:

LDicomContextGroup::GetFirst, LDicomContextGroup::GetLast, LDicomContextGroup::GetNext, LDicomContextGroup::GetCount, LDicomContextGroup::FindIndex, LDicomContextGroup::GetPrevCodedConcept, Class Members

Topics:

Working with Context Groups

Example

For an example, refer to LDicomContextGroup::GetFirst.