L_DicomExistsVR

#include "Ltdic.h"

L_BOOL EXT_FUNCTION L_DicomExistsVR(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:	L_DicomGetFirstVR, L_DicomGetLastVR, L_DicomGetPrevVR, L_DicomGetNextVR, L_DicomFindVR, L_DicomFindIndexVR
Topics:	Working with Value Representations

Example

/* This example checks a VR pointer */

L_VOID Test()
{
   pDICOMVR pVR;

   pVR = L_DicomFindVR(VR_UL);

   if (L_DicomExistsVR(pVR) == FALSE)
   {
      MessageBox(NULL, "The VR does not exist", "Notice", MB_OK);
   }
}