Collapse All Expand All

LDicomVR::Exists

#include "Ltdic.h"

static 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

Platforms

Win32, x64

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;
}