Microsoft Speech Platform
ISpRecoContext::SetContextState
ISpRecoContext::SetContextState sets the state of the recognition context.
HRESULT SetContextState(
SPCONTEXTSTATE eContextState
);
Parameters
- eContextState
- [in] The SPCONTEXTSTATE enumeration sequence specifying the recognition context state.
Return values
| Value | Description |
|---|---|
| S_OK | Function completed successfully. |
| E_INVALIDARG | eContextState is not one of the correct types. |
| FAILED(hr) | Appropriate error message. |
Remarks
The default recognition context state for an ISpRecoContext object is SPCS_ENABLED.
Applications can use ISpRecoContext::SetContextState to toggle sets of grammars. For example, a multi-document interface application that uses a different ISpRecoContext object for each document could toggle the context states as each document gained and lost the focus.
Applications can use ISpRecoContext::GetContextState to query the context state.