LDicomIOD::GetRoot
#include "Ltdic.h"
static pDICOMIOD LDicomIOD::GetRoot(pIOD)
| pDICOMIOD pIOD; | /* pointer to a DICOMIOD structure */ | 
Returns a pointer to the root of the specified item.
| Parameter | Description | 
| pIOD | Pointer to a DICOMIOD structure 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 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.

| 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
| 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::GetParent, LDicomIOD::GetChild | 
| Topics: | 
Example
/* This example displays the root’s name of an item */
L_VOID Test()
{
   pDICOMIOD pRoot;
   pDICOMIOD pElement;
   pElement = LDicomIOD::Find(NULL, TAG_PATIENT_NAME, IOD_TYPE_ELEMENT, FALSE);
   if (pElement != NULL)
   {
      pRoot = LDicomIOD::GetRoot(pElement);
      MessageBox(NULL, pRoot->pszName, "Notice", MB_OK);
   }
}