LDicomDS::ExistsElement

#include "Ltdic.h"

L_BOOL LDicomDS::ExistsElement(pElement)

/* pointer to a DICOMELEMENT structure */

Determines whether the pointer to the structure is valid.

Parameter	Description
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

See Also

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;
}