L_DicomGetRootIOD

Summary

Returns a pointer to the root of the specified item.

Syntax

#include "Ltdic.h"

L_LTDIC_API pDICOMIOD L_DicomGetRootIOD(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 root of the item specified in pIOD.
NULL The IOD Structure is empty or pIOD is NULL.

Comments

The root is the Level 0 ancestor of pIOD. If pIOD points to an item on Level 0, a pointer to that same item will be returned. Please note that the numbering of the items in this illustration is arbitrary and does not imply order.

image\GetRoot.gif
If the passed pointer points to The function returns a pointer to
Item 1 Item 2
Item 3 Item 2
Item 4 Item4
Item 5 Item 6

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

Required DLLs and Libraries

Platforms

Win32, x64, Linux.

See Also

Functions

Topics

Example

This example displays the root’s name of an item. 

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

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