Locks the requested resource so that the IInternetProtocolRoot::Terminate method can be called and the remaining data can be read.
Syntax
HRESULT LockRequest(
    DWORD dwOptions
); 
Parameters
- dwOptions
 - [in] Reserved. Must be set to zero.
 
Return Value
Returns S_OK if successful, or an error code otherwise.
Remarks
For asynchronous pluggable protocols that do not need to lock a request, the method should return S_OK.
Windows CE
Windows CE Use version 2.12 and later Minimum availability Internet Explorer 4.0