LDicomIOD::Exists

#include "Ltdic.h"

L_BOOL LDicomIOD::Exists(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_VOID Test()
{
   pDICOMIOD pIOD;

   pIOD = LDicomIOD::FindClass( CLASS_CT_IMAGE_STORAGE);

   if (LDicomIOD::Exists(pIOD) == FALSE)
   {
      MessageBox(NULL, "The IOD does not exist", "Notice", MB_OK);
   }
}