LDicomTag::Exists

#include "Ltdic.h"

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

See Also

Functions:

LDicomTag::GetFirst, LDicomTag::GetLast, LDicomTag::GetPrev, LDicomTag::GetNext, LDicomTag::Find, LDicomTag::FindIndex

Topics:

Working with Tags

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;
}