Determines whether the pointer to the structure is valid.
#include "Ltdic.h"
static L_BOOL LDicomVR::Exists(pVR)
Pointer to a DICOMVR structure.
Value | Meaning |
---|---|
TRUE | pVR is a valid pointer. |
FALSE | pVR is NULL. |
Win32, x64
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;
}
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