Returns a pointer to the item in the IOD Structure that contains the first child of the specified item.
#include "Ltdic.h"
L_LTDIC_API pDICOMIOD L_DicomGetChildIOD(pIOD)
Pointer to a DICOMIOD structure that contains an item in the IOD Structure.
Value | Meaning |
---|---|
!NULL | A pointer to a DICOMIOD structure that contains the item in the IOD Structure that is the first child of the item specified in pIOD. |
NULL | pIOD has no child items. |
This function requires that the IOD Structure is evaluated as a tree structure.
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:
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 IOD Structure:
Win32, x64, Linux.
This example displays in a tree control the tree of the IOD table
#include <commctrl.h>
L_VOID ShowTree(HWND hDlg, HTREEITEM hParentItem, pDICOMIOD pParentIOD)
{
TV_INSERTSTRUCT tvInsert;
TV_ITEM tvItem;
HTREEITEM hItem;
pDICOMIOD pIOD;
if (pParentIOD == NULL)
pIOD = L_DicomGetFirstIOD(pParentIOD, TRUE);
else
pIOD = L_DicomGetChildIOD(pParentIOD);
while (pIOD != NULL)
{
tvItem.mask = TVIF_TEXT;
tvItem.pszText = pIOD->pszName;
tvInsert.hParent = hParentItem;
tvInsert.hInsertAfter = TVI_LAST;
tvInsert.item = tvItem;
hItem = (HTREEITEM)SendMessage(hDlg, TVM_INSERTITEM, (WPARAM)0,
(LPARAM)(LPTV_INSERTSTRUCT)&tvInsert);
if (L_DicomGetChildIOD(pIOD) != NULL)
ShowTree(hDlg, hItem, pIOD);
pIOD = L_DicomGetNextIOD(pIOD, TRUE);
}
}
L_INT DicomGetChildIODExample(HWND hDlg)
{
ShowTree(hDlg, TVI_ROOT, NULL);
return DICOM_SUCCESS;
}
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