LDicomIOD::Exists

#include "Ltdic.h"

L_BOOL LDicomIOD::Exists(pIOD)

pDICOMIOD pIOD;

/* pointer to a DICOMIOD structure */

Determines whether the pointer to the structure is valid.

Parameter

Description

pIOD

Pointer to a DICOMIOD structure.

Returns

TRUE

pIOD is a valid pointer.

FALSE

pIOD 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:

LDicomIOD::GetFirst, LDicomIOD::GetLast, LDicomIOD::GetPrev, LDicomIOD::GetNext, LDicomIOD::Find, LDicomIOD::FindClass

Topics:

Working with Information Object Definitions

Example

This example checks an IOD pointer. 

L_INT LDicomIOD_ExistsExample()
{
   pDICOMIOD pIOD;
   pIOD = LDicomIOD::FindClass( CLASS_CT_IMAGE_STORAGE);
   if (LDicomIOD::Exists(pIOD) == FALSE)
   {
      ::MessageBox(NULL, TEXT("The IOD does not exist"), TEXT("Notice"), MB_OK);
   }
   return DICOM_SUCCESS;
}