NAME
   CSSM_HRS_CancelGUICallbacks, HRS_CancelGUICallbacks

 SYNOPSIS

 #include <hrs.h>

 API
   CSSM_RETURN CSSMAPI CSSM_HRS_CancelGUICallbacks
                                  (CSSM_HRS_HANDLE ModuleHandle);
 SPI
   CSSM_RETURN CSSMHRI HRS_CancelGUICallbacks
                                  (CSSM_HRS_HANDLE ModuleHandle);

 LIBRARY
   HRS Extensible Module Manager (CDSA$INHRSEMM_SHR.EXE)

 PARAMETERS
   The parameter definitions are the same for the API and the SPI.

   ModuleHandle (input)    The handle of the attached HRS service
                           provider.

 DESCRIPTION
   This function cancels GUICallbacks if they have been set. A
   GUICallback should be canceled before the service provider is
   detached.

 RETURN VALUE
   A CSSM_RETURN value indicating success or specifying a particular
   error condition. The value CSSM_OK indicates success. All other
   values represent an error condition.

 ERRORS
   Errors are described in the CDSA Technical Standard.  See CDSA.

   CSSMERR_CSSM_NOT_INITIALIZED
   CSSMERR_CSSM_FUNCTION_FAILED
   CSSMERR_CSSM_FUNCTION_NOT_IMPLEMENTED
   CSSMERR_CSSM_FUNCTION_INTEGRITY_FAIL