L_DicomGetPrevContextGroup

Summary

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

Syntax

#include "ltdic.h"

L_LTDIC_API pDICOMCONTEXTGROUP L_DicomGetPrevContextGroup(pContextGroup)

Parameters

pDICOMCONTEXTGROUP pContextGroup

Pointer to a DICOMCONTEXTGROUP structure that specifies a Context Group in the Context Group Table. The function returns a pointer to the structure that specifies the Group which immediately precedes this Group, if there is one.

Returns

Value Meaning
!NULL Pointer to a DICOMCONTEXTGROUP structure that specifies the Context Group in the Context Group Table which 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:

You can also use the L_DicomGetCountContextGroup and L_DicomFindIndexContextGroup functions to enumerate the Context Groups in the table.

To investigate the Coded Concepts of a Context Group, use the following functions:

Required DLLs and Libraries

Platforms

Win32, x64, Linux.

See Also

Functions

Topics

Example

For an example, refer to L_DicomGetFirstContextGroup.

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