| LEADTOOLS DICOM C DLL Help > Function References > L_DicomFindClassIOD | 
#include "Ltdic.h"
L_LTDIC_API pDICOMIOD L_DicomFindClassIOD(nClass)
| L_UINT32 nClass; | /* class constant */ | 
Returns a pointer to the item in the IOD Structure that contains the IOD for the specified class.
| Parameter | Description | 
| nClass | Class constant that specifies the class to find. For a list of default values, refer to IOD Class Constants. | 
Returns
| !NULL | A pointer to a DICOMIOD structure that contains the IOD for for the specified class. | 
| NULL | An IOD for the specified class was not found. | 
Comments
To find the IOD of modules within a class, use L_DicomFindModuleIOD or L_DicomFindIndexModuleIOD.
L_DicomFindIOD lets you find IODs for classes, modules or elements in the IOD Structure.
Required DLLs and Libraries
| 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, Linux.
See Also
| Functions: | L_DicomFindIOD, L_DicomFindModuleIOD, L_DicomFindIndexModuleIOD | 
| Topics: | |
| 
 | How to Disable the Automatic Loading of the default DICOM IOD Table | 
Example
This example displays the name of a class
L_INT DicomFindClassIODExample(L_VOID)
{
   pDICOMIOD pIOD;
   pIOD = L_DicomFindClassIOD(CLASS_CR_IMAGE_STORAGE);
   if (pIOD != NULL)
      MessageBox(NULL, pIOD->pszName, TEXT("Notice"), MB_OK);
   return DICOM_SUCCESS;
}