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L_DicomGetParentIOD

Summary

Returns a pointer to the item in the IOD Structure that contains the parent of the specified item.

Syntax

#include "Ltdic.h"

L_LTDIC_API pDICOMIOD L_DicomGetParentIOD(pIOD)

Parameters

pDICOMIOD pIOD

Pointer to a DICOMIOD structure that contains an item in the IOD Structure.

Returns

Value	Meaning
!NULL	A pointer to a DICOMIOD structure that contains the item in the IOD Structure that is the parent of the item specified in pIOD.
NULL	pIOD has no parent. (pIOD is a Level 0 item.)

Comments

This function requires that the IOD Structure is evaluated as a tree structure.

The parent is the ancestor one level higher than the specified item. If the specified item is a Level 0 item, this function will return NULL. Please note that the numbering of the items in this illustration is arbitrary and does not imply order.

$image\GetPrnt.gif$

If the passed pointer points to	The function returns a pointer to
Item 1	NULL
Item 2	Item 3
Item 4	Item3
Item 5	Item 6

The following functions will also help you navigate the IOD Structure:

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

Platforms

Win32, x64, Linux.

Example

This example displays the parent’s name of an item

L_INT DicomGetParentIODExample(L_VOID) 
{ 
   pDICOMIOD pParent; 
   pDICOMIOD pElement; 
 
   pElement = L_DicomFindIOD(NULL, TAG_PATIENT_NAME, IOD_TYPE_ELEMENT, FALSE); 
   if (pElement != NULL) 
   { 
      pParent = L_DicomGetParentIOD(pElement); 
      MessageBox(NULL, pParent->pszName, TEXT("Notice"), MB_OK); 
   } 
   return DICOM_SUCCESS; 
}