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The RtmGetOpaqueInformationPointer function returns a pointer to the opaque information field in a destination that is reserved for this client. The pointer enables the client to store client-specific information with the destination in the routing table.
Syntax
DWORD RtmGetOpaqueInformationPointer(
[in] RTM_ENTITY_HANDLE RtmRegHandle,
[in] RTM_DEST_HANDLE DestHandle,
[out] PVOID *OpaqueInfoPointer
);
Parameters
[in] RtmRegHandle
Handle to the client obtained from a previous call to RtmRegisterEntity.
[in] DestHandle
Handle to the destination.
[out] OpaqueInfoPointer
On input, OpaqueInfoPointer is a pointer to NULL.
On output, OpaqueInfoPointer receives a pointer to the opaque information pointer. If a client has not reserved an opaque pointer during registration, this parameter remains unchanged.
Return value
If the function succeeds, the return value is NO_ERROR.
If the function fails, the return value is one of the following error codes.
| Value | Meaning |
|---|---|
|
The handle is invalid. |
|
No opaque pointer was reserved by the client. |
Remarks
For sample code using this function, see Access the Opaque Pointer in a Destination.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | None supported |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | rtmv2.h |
| Library | Rtm.lib |
| DLL | Rtm.dll |