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Determines whether the pointer to the structure is valid.
#include "Ltdic.h"
L_LTDIC_API L_BOOL L_DicomExistsElement(hDS, pElement)
A DICOM handle.
Pointer to a DICOMELEMENT structure.
| Value | Meaning |
|---|---|
| TRUE | pElement is a valid pointer. |
| FALSE | pElement is NULL. |
Win32, x64, Linux.
This example checks if the pointer of an element
L_INT DicomExistsElementExample(L_VOID){HDICOMDS hDS;pDICOMELEMENT pElement;hDS = L_DicomCreateDS(MAKE_IMAGE_PATH(TEXT("")));L_DicomInitDS(hDS, CLASS_CT_IMAGE_STORAGE, 0);pElement = L_DicomInsertElement(hDS, NULL, FALSE, TAG_INSTITUTION_CODE_SEQUENCE,VR_SQ, TRUE, ELEMENT_INDEX_MAX);if (pElement == NULL){L_DicomFreeDS(hDS);return DICOM_ERROR_MEMORY;}if (L_DicomExistsElement(hDS, pElement) == FALSE)MessageBox(NULL, TEXT("The element does not exist in Data Set"), TEXT("Notice"), MB_OK);L_DicomFreeDS(hDS);return DICOM_SUCCESS;}
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