Returns a pointer to the item in the Data Set that contains the parent of the specified item.
#include "Ltdic.h"
pDICOMELEMENT LDicomDS::GetParentElement(pElement)
Pointer to a DICOMELEMENT structure that contains an item in the Data Set.
Value | Meaning |
---|---|
!NULL | A pointer to a DICOMELEMENT structure that contains the item in the Data Set that is the parent of the item specified in pElement. |
NULL | pElement has no parent. (pElement is a Level 0 item.) |
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.
NOTE: The numbering of the items in this illustration is arbitrary and does not imply order.
The following functions will also help you navigate the Data Set:
Win32, x64
This example displays the parent’s name of an element.
L_INT LDicomDS_GetParentElementExample()
{
LDicomDS* pDS;
pDICOMELEMENT pParent;
pDICOMELEMENT pElement;
pDICOMTAG pTag;
L_TCHAR szUnknown[]=TEXT("Unknown");
L_TCHAR* p;
pDS = new LDicomDS(NULL);
pDS->InitDS( CLASS_XA_BIPLANE_IMAGE_STORAGE_RETIRED, 0);
pElement = pDS->FindFirstElement(NULL, TAG_RADIATION_SETTING, FALSE);
if (pElement != NULL)
{
pParent = pDS->GetParentElement(pElement);
if (pParent != NULL)
{
pTag = LDicomTag::Find(pParent->nTag);
if (pTag != NULL)
{
p = pTag->pszName;
}
else
{
p = szUnknown;
}
MessageBox(NULL, p, TEXT("Notice"), MB_OK);
}
}
delete pDS;
return DICOM_SUCCESS;
}
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