L_DicomExistsElement

#include "Ltdic.h"

L_LTDIC_API L_BOOL L_DicomExistsElement(hDS, pElement)

HDICOMDS hDS;

a DICOM handle

pDICOMELEMENT pElement;

pointer to a DICOMELEMENT structure

Determines whether the pointer to the structure is valid.

Parameter

Description

hDS

A DICOM handle.

pElement

Pointer to a DICOMELEMENT structure.

Returns

TRUE

pElement is a valid pointer.

FALSE

pElement is NULL.

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

Platforms

Win32, x64, Linux.

See Also

Functions:

L_DicomGetChildElement, L_DicomGetParentElement, L_DicomGetRootElement, L_DicomGetFirstElement, L_DicomGetLastElement, L_DicomGetPrevElement, L_DicomGetNextElement, L_DicomFindFirstElement, L_DicomFindLastElement, L_DicomFindPrevElement, L_DicomFindPrevElement

Topics:

Working with Data Sets

Example

This example checks if the pointer of an element

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
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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