LDicomDS::GetChildKey

#include "ltdic.h"

pDICOMELEMENT LDicomDS::GetChildKey(pElement)

/* pointer to a DICOMELEMENT structure */

Returns a pointer to the item in the Dicom Dir Data Set that contains the first child of the specified item.

Parameter	Description
pElement	Pointer to a DICOMELEMENT structure that contains an item in the Data Set.

Returns

!NULL	A pointer to a DICOMELEMENT structure that contains the item in the Data Set that is the first child of the item specified in pElement.
NULL	pElement has no child items.

Comments

The child is the offspring one level lower than the specified item. If the specified item has no child items, this function will return NULL. For example:

$image\GetChild.gif$

If the passed pointer points to :	The function returns a pointer to :
Item 1	NULL
Item 2	Item 3
Item 4	Item 5
Item 6	NULL

The following functions will also help you navigate the Data Set:

LDicomDS::GetFirstKey

LDicomDS::GetLastKey

LDicomDS::GetNextKey

LDicomDS::GetRootKey

LDicomDS::GetParentKey

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:	LDicomDS::GetFirstKey, LDicomDS::GetLastKey, LDicomDS::GetNextKey, LDicomDS::GetPrevKey, LDicomDS::GetRootKey, LDicomDS::GetParentKey
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.