LDicomDS::ExistsElement

#include "Ltdic.h"

L_BOOL LDicomDS::ExistsElement(pElement)

Determines whether the pointer to the structure is valid.

Parameters

pDICOMELEMENT pElement

Pointer to a DICOMELEMENT structure.

Returns

Value	Meaning
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

Functions

LDicomDS::GetChildElement
LDicomDS::GetParentElement
LDicomDS::GetRootElement
LDicomDS::GetFirstElement
LDicomDS::GetLastElement
LDicomDS::GetPrevElement
LDicomDS::GetNextElement
LDicomDS::FindFirstElement
LDicomDS::FindLastElement
LDicomDS::FindPrevElement
LDicomDS::FindPrevElement

Topics

Working with Data Sets
How to Disable the Automatic Loading of the default DICOM IOD Table

Example

This example checks if the pointer of an element.

L_INT LDicomDS_ExistsElementExample() 
{ 
   LDicomDS*      pDS; 
   pDICOMELEMENT  pElement; 
 
   pDS = new LDicomDS(NULL); 
 
   pDS->InitDS( CLASS_CT_IMAGE_STORAGE, 0);  
 
   pElement = pDS->InsertElement(NULL, FALSE, TAG_INSTITUTION_CODE_SEQUENCE,  
                                 VR_SQ, TRUE, ELEMENT_INDEX_MAX); 
 
   if (pDS->ExistsElement(pElement) == FALSE) 
   { 
      MessageBox(NULL, TEXT("The element does not exist in Data Set"), TEXT("Notice"), MB_OK); 
   } 
 
   delete pDS; 
 
   return DICOM_SUCCESS; 
}