| LEADTOOLS DICOM C DLL Help > Function References > L_DicomExistsUID | 
#include "Ltdic.h"
L_LTDIC_API L_BOOL L_DicomExistsUID(pUID)
| pDICOMUID pUID; | /* pointer to a DICOMUID structure */ | 
Determines whether the pointer to the structure is valid.
| Parameter | Description | 
| pUID | Pointer to a DICOMUID structure. | 
Returns
| TRUE | pUID is a valid pointer. | 
| FALSE | pUID is NULL. | 
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_DicomGetFirstUID, L_DicomGetLastUID, L_DicomGetPrevUID, L_DicomGetNextUID, L_DicomFindUID, L_DicomFindIndexUID | 
| Topics: | 
Example
This example checks a UID pointer
L_INT DicomExistsUIDExample(L_VOID)
{
   pDICOMUID pUID;
   pUID = L_DicomFindUID(TEXT("1.2.840.10008.1.1"));
   if (L_DicomExistsUID(pUID) == FALSE)
      MessageBox(NULL, TEXT("The UID does not exist"), TEXT("Notice"), MB_OK);
   return DICOM_SUCCESS;
}