ADIC Digital Camera 601355 Rev A 사용자 설명서
API Guide
2-508
API Functions
601355 Rev A
Return Values
VSCMD_Cancel
returns:
•
VSE_TRUE
-
Successful execution if the API is operating in
synchronous mode
synchronous mode
-
Good initial status received if the API is operating in
asynchronous mode
asynchronous mode
•
VSE_FALSE
- The request failed. A return code of
VSE_FALSE
(which is 0) means the request failed.
-
To determine where the error occurred, and what the
error was, the client queries the request’s error handle
(with
error was, the client queries the request’s error handle
(with
VS_Error_GetFields
) to retrieve the error
handle’s object code.
-
If the object code value is
VSE_NONE
, the client must
query the global error code (
VSG_Error
) to
determine where the error occurred.
•
VSE_ERR_BADHANDLE
- Specified handle was not a valid
command handle.
•
VSE_ERR_NULLHANDLE
- Specified handle was a null
pointer.
-
If the object code value is
VSE_VOLSERV
, the
error occurred in VolServ and the client uses
VST_ERROR_NUMCODE
to identify the specific
error.
-
If the object code value is not
VSE_VOLSERV
and
is not
VSE_NONE
, the error occurred in the API
and the client uses
VST_ERROR_CODE
to identify
the specific error.
•
VSE_ERR_BADFIELD
- An invalid parameter was
specified.