The RasGetProjectionInfo function obtains information about a remote access projection operation for a specified remote access component protocol.
DWORD RasGetProjectionInfo(
HRASCONN hrasconn, |
// handle that specifies remote access connection of interest |
RASPROJECTION rasprojection, |
// specifies type of projection information to obtain |
LPVOID lpprojection, |
// points to buffer that receives projection information |
LPDWORD lpcb |
// points to variable that specifies buffer size |
); |
rasprojection value |
Data structure |
RASP_Amb | |
RASP_PppNbf | |
RASP_PppIpx | |
RASP_PppIp |
If the function succeeds, the return value is zero.
If the function fails, the return value is an error code. The function may return a nonzero RAS error code, or one of the following error codes:
Value |
Meaning |
ERROR_BUFFER_TOO_SMALL |
The buffer pointed to by lpprojection is not large enough to contain the requested information. |
ERROR_INVALID_HANDLE |
The hrasconn parameter is not a valid handle. |
ERROR_INVALID_PARAMETER |
One of the parameters is invalid. |
ERROR_INVALID_SIZE |
The dwSize member of the structure pointed to by lpprojection specifies an invalid size. |
ERROR_PROTOCOL_NOT_CONFIGURED |
The control protocol for which information was requested neither succeeded nor failed, because the connection’s phone-book entry did not require that an attempt to negotiate the protocol be made. This is a RAS error code. |
Remote access projection is the process whereby a remote access server and a remote client negotiate network protocol-specific information. A remote access server uses this network protocol-specific information to represent a remote client on the network.
Windows NT: Remote access projection information is not available until the operating system has executed the RasDial RASCS_Projected state on the remote access connection. If RasGetProjectionInfo is called prior to the RASCS_Projected state, it returns ERROR_PROJECTION_NOT_COMPLETE.
Windows 95: Windows 95 Dial-Up Networking does not support the RASCS_Projected state. The projection phase may be done during the RASCS_Authenticate state. If the authentication is successful, the connection operation proceeds to the RASCS_Authenticated state, and projection information is available for successfully configured protocols. If RasGetProjectionInfo is called prior to the RASCS_Authenticated state, it returns ERROR_PROTOCOL_NOT_CONFIGURED.
RASAMB, RasDial, RasEnumConnections, RASPPPNBF, RASPPPIPX, RASPPPIP, RASPROJECTION
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