LDicomVR::Exists

#include "Ltdic.h"

static L_BOOL LDicomVR::Exists(pVR)

Determines whether the pointer to the structure is valid.

Parameters

pDICOMVR pVR

Pointer to a DICOMVR structure.

Returns

Value	Meaning
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

Platforms

Win32, x64

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; 
}