LEADTOOLS DICOM C++ Class Library Help > Classes and Member Functions > LDicomTag > LDicomTag Class Members > LDicomTag::Exists |
#include "Ltdic.h"
static L_BOOL LDicomTag::Exists (pTag)
pDICOMTAG pTag; |
/* pointer to a DICOMTAG structure */ |
Determines whether the pointer to the structure is valid.
Parameter |
Description |
pTag |
Pointer to a DICOMTAG structure. |
Returns
TRUE |
pTag is a valid pointer. |
FALSE |
pTag 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 |
Win32, x64
See Also
Functions: |
LDicomTag::GetFirst, LDicomTag::GetLast, LDicomTag::GetPrev, LDicomTag::GetNext, LDicomTag::Find, LDicomTag::FindIndex |
Topics: |
Example
This example checks a Tag pointer.
L_INT LDicomTag_ExistsExample() { pDICOMTAG pTag; pTag = LDicomTag::Find(TAG_PIXEL_DATA); if (LDicomTag::Exists(pTag) == FALSE) { MessageBox(NULL, TEXT("The Tag does not exist"), TEXT("Notice"), MB_OK); } return DICOM_SUCCESS; }