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: |
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; }