LDicomVR::Exists

#include "Ltdic.h"

L_BOOL LDicomVR::Exists(pVR)

pDICOMVR pVR;

/* pointer to a DICOMVR structure */

Determines whether the pointer to the structure is valid.

Parameter

Description

pVR

Pointer to a DICOMVR structure.

Returns

TRUE

pVR is a valid pointer.

FALSE

pVR 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

See Also

Functions:

LDicomVR::GetFirst, LDicomVR::GetLast, LDicomVR::GetPrev, LDicomVR::GetNext, LDicomVR::Find, LDicomVR::FindIndex

Topics:

Working with Value Representations

Example

This example checks a VR pointer. 

L_INT LDicomVR_ExistsExample()
{
   pDICOMVR pVR;
   pVR = LDicomVR::Find(VR_UL);
   if (LDicomVR::Exists(pVR) == FALSE)
   {
      ::MessageBox(NULL, TEXT("The VR does not exist"), TEXT("Notice"), MB_OK);
   }
   return DICOM_SUCCESS;
}