The following table shows the errors that can be returned by methods of the voice command objects. If no error occurs, the functions return NOERROR.
Error value |
Description |
| VCMDERR_CANNOTMIMIC | No command was found to match the input string. |
| VCMDERR_CANTCREATEAUDIODEVICE | An audio source object cannot be created for speech recognition. |
| VCMDERR_CANTCREATEDATASTRUCTURES | The internal data structures needed to build a grammar cannot be created. |
| VCMDERR_CANTCREATESRENUM | A speech recognition enumerator object cannot be created. |
| VCMDERR_CANTCREATESTORAGE | Space cannot be created in the database for the menu. |
| VCMDERR_CANTINITDATASTRUCTURES | The internal data structures needed to build a grammar cannot be initialized. |
| VCMDERR_CANTSELECTENGINE | A speech recognition engine cannot be selected. |
| VCMDERR_CANTSETDEVICE | The device identifier cannot be set into the audio source object. |
| VCMDERR_CANTXTRACTWORDS | The unique words needed by the engine grammar object cannot be extracted. |
| VCMDERR_INVALIDCHAR | There is an invalid character in the voice menu. |
| VCMDERR_INVALIDLIST | There was an invalid list passed to IVCmdMenu::ListSet or IVCmdMenu::ListGet. |
| VCMDERR_INVALIDMODE | No site exists, the site does not support this attribute, or the voice command object is already registered with a site. |
| VCMDERR_INVALIDWINDOW | The window is invalid. |
| VCMDERR_MENUACTIVE | The menu is currently active and cannot be deleted. |
| VCMDERR_MENUDOESNOTEXIST | The requested menu does not exist in the database. |
| VCMDERR_MENUEXIST | The requested new or temporary menu already exists in the database. |
| VCMDERR_MENUOPEN | The menu exists but has not been released, so it cannot be deleted. |
| VCMDERR_MENUTOOCOMPLEX | The menu is too complex to use. |
| VCMDERR_MENUWRONGLANGUAGE | The language is not supported by the speech recognition engine. |
| VCMDERR_NOCACHEDATA | There is no internal cache entry for this menu. |
| VCMDERR_NOCOMMANDS | The menu is active, but the menu does not yet contain any commands. |
| VCMDERR_NOENGINE | No speech recognition engine is active. |
| VCMDERR_NOFINDINTERFACE | The speech recognition enumerator interface does not have a Find interface. |
| VCMDERR_NOGRAMMARINTERFACE | No engine grammar object is available. |
| VCMDERR_NOSITEINFO | Information to open this site is not available. |
| VCMDERR_NOTSUPPORTED | The function is not supported by the engine. |
| VCMDERR_OUTOFDISK | No disk space is left to write information. |
| VCMDERR_OUTOFMEM | There is no more memory. |
| VCMDERR_SRFINDFAILED | The speech recognition object could not find an appropriate mode. |
| VCMDERR_TOOMANYMENUS | There are too many active menus. |
| VCMDERR_VALUEOUTOFRANGE | The value is out of range. |
In addition to the error values described in the preceding list, methods can return error values generated by lower-level component objects or calls to the Win32 API.