LDicomIOD::GetParent

#include "Ltdic.h"

static pDICOMIOD LDicomIOD::GetParent(pIOD)

/* pointer to a DICOMIOD structure */

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

Parameter	Description
pIOD	Pointer to a DICOMIODstructure that contains an item in the IOD Structure.

Returns

!NULL	A pointer to a DICOMIODstructure 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

See Also

Functions:	LDicomIOD::GetFirst, LDicomIOD::GetLast, LDicomIOD::GetNext, LDicomIOD::GetPrev, LDicomIOD::GetCountModule, LDicomIOD::GetRoot, LDicomIOD::GetChild
Topics:	Working with Information Object Definitions
	How to Disable the Automatic Loading of the default DICOM IOD Table

Example

This example displays the parent's name of an item.

L_INT LDicomIOD_GetParentExample()
{
   pDICOMIOD   pParent;
   pDICOMIOD   pElement;
   pElement = LDicomIOD::Find(NULL, TAG_PATIENT_NAME, IOD_TYPE_ELEMENT, FALSE);
   if (pElement != NULL)
   {
      pParent = LDicomIOD::GetParent(pElement);
      ::MessageBox(NULL, pParent->pszName, TEXT("Notice"), MB_OK);
   }
   return DICOM_SUCCESS;
}