( IN UpnpClient_Handle Hnd,
IN const char* ActionURL,
IN const char* VarName,
IN Upnp_FunPtr Fun,
IN const void* Cookie )
UpnpGetServiceVarStatusAsync queries the state of a variable of a service, generating a callback when the operation is complete.
Documentation
UpnpGetServiceVarStatusAsync queries the state of a variable of a
service, generating a callback when the operation is complete. Note
that the use of this function is deprecated by the UPnP Forum.
- Parameters:
- Hnd - The handle of the control point.
ActionURL - The URL of the service.
VarName - The name of the variable to query.
Fun - Pointer to a callback function to
be invoked when the operation is complete.
Cookie - Pointer to user data to pass to the
callback function when invoked.
- Returns:
- [int] An integer representing one of the following:
- UPNP_E_SUCCESS: The operation completed successfully.
- UPNP_E_INVALID_HANDLE: The handle is not a valid control
point handle.
- UPNP_E_INVALID_URL: The ActionUrl is not a valid URL.
- UPNP_E_INVALID_PARAM: VarName, Fun or
ActionUrl is not a valid pointer.
- UPNP_E_OUTOF_MEMORY: Insufficient resources exist to
complete this operation.
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