Constants
This section is a reference to the program definitions used by the Plug-in API. All program definitions are found in npapi.h.
Error Codes
| Code |
Value |
Description |
NPERR_NO_ERROR
|
0
|
No errors occurred. |
NPERR_GENERIC_ERROR
|
1
|
Error with no specific error code occurred. |
NPERR_INVALID_INSTANCE_ERROR
|
2
|
Invalid instance passed to the plug-in. |
NPERR_INVALID_FUNCTABLE_ERROR
|
3
|
Function table invalid. |
NPERR_MODULE_LOAD_FAILED_ERROR
|
4
|
Loading of plug-in failed. |
NPERR_OUT_OF_MEMORY_ERROR
|
5
|
Memory allocation failed. |
NPERR_INVALID_PLUGIN_ERROR
|
6
|
Plug-in missing or invalid. |
NPERR_INVALID_PLUGIN_DIR_ERROR
|
7
|
Plug-in directory missing or invalid. |
NPERR_INCOMPATIBLE_VERSION_ERROR
|
8
|
Versions of plug-in and Communicator do not match. |
NPERR_INVALID_PARAM
|
9
|
Parameter missing or invalid. |
NPERR_INVALID_URL
|
10
|
URL missing or invalid. |
NPERR_FILE_NOT_FOUND
|
11
|
File missing or invalid. |
NPERR_NO_DATA
|
12
|
Stream contains no data. |
NPERR_STREAM_NOT_SEEKABLE
|
13
|
Seekable stream expected. |
Result Codes
| Constant |
Value |
Description |
NPRES_DONE
|
0
|
(Most common): Completed normally; all data was sent to the instance. |
NPRES_NETWORK_ERR
|
1
|
Stream failed due to problems with network, disk I/O, lack of memory, or other problems. |
NPRES_USER_BREAK
|
2
|
User canceled stream directly by clicking the Stop button or indirectly by some action such as deleting the instance or initiating higher-priority network operations. |
Plug-in Version Constants
| Constant |
Value |
Description |
NP_VERSION_MAJOR
|
0
|
Major version number; changes with major code release number. |
NP_VERSION_MINOR
|
11
|
Minor version number; changes with point release number. |
Version Feature Constants
| NPVERS Constant:
Version Feature Information |
Value |
Supported Feature |
NPVERS_HAS_STREAMOUTPUT
|
8
|
Streaming data. |
NPVERS_HAS_NOTIFICATION
|
9
|
Notification of completion. |
NPVERS_HAS_LIVECONNECT
|
9
|
LiveConnect. |
NPVERS_WIN16_HAS_LIVECONNECT
|
9
|
LiveConnect (Win16). |
NPVERS_68K_HAS_LIVECONNECT
|
11
|
LiveConnect (68K). |
NPVERS_HAS_WINDOWLESS
|
11
|
Windowless plug-in. |
NPVERS_HAS_XPCONNECT_SCRIPTING
|
13
|
Scriptable plug-in. |
Netscape Communications
http://developer.netscape.com
|
