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LDicomDS::GetParentKey
#include "ltdic.h"
pDICOMELEMENT LDicomDS::GetParentKey(pElement)
Returns a pointer to the item in the Dicom Dir Data Set that contains the parent of the specified item.
Parameters
pDICOMELEMENT pElement
Pointer to a DICOMELEMENT structure that contains an item in the Data Set.
Returns
| 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.) |
Comments
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.
| If the passed pointer points to | The function returns a pointer to |
|---|---|
| Item 1 | NULL |
| Item 2 | Item 3 |
| Item 4 | Item 3 |
| Item 5 | Item 6 |
The following functions will also help you navigate the Data Set:
- LDicomDS::GetFirstKey
- LDicomDS::GetLastKey
- LDicomDS::GetNextKey
- LDicomDS::GetRootKey
- LDicomDS::GetChildKey
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
Win32, x64
See Also
Functions
- LDicomDS::GetFirstKey
- LDicomDS::GetLastKey
- LDicomDS::GetNextKey
- LDicomDS::GetPrevKey
- LDicomDS::GetRootKey
- LDicomDS::GetChildKey
Topics
- Working with Basic Directory Key Elements
- How to Disable the Automatic Loading of the default DICOM IOD Table
Example
For an example, refer to LDicomDS::InsertKey.
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