IRTDServer.idl

/*
 *
 * From sample code included in Microsoft Knowledge Base Article 327215.
 */
import "unknwn.idl";
import "wtypes.idl";
import "objidl.idl";
import "oaidl.idl";

[
  odl,
  uuid(A43788C1-D91B-11D3-8F39-00C04F3651B8),
  helpcontext(0x0007a120),
  dual,
  oleautomation
]
interface IRTDUpdateEvent : IDispatch {
    [id(0x0000000a), helpcontext(0x0007a121)]
    HRESULT UpdateNotify();
    [id(0x0000000b), propget, helpcontext(0x0007a122)]
    HRESULT HeartbeatInterval([out, retval] long* plRetVal);
    [id(0x0000000b), propput, helpcontext(0x0007a122)]
    HRESULT HeartbeatInterval([in] long plRetVal);
    [id(0x0000000c), helpcontext(0x0007a123)]
    HRESULT Disconnect();
};

[
  odl,
  uuid(EC0E6191-DB51-11D3-8F3E-00C04F3651B8),
  helpcontext(0x0007a124),
  dual,
  oleautomation
]
interface IRtdServer : IDispatch {
    [id(0x0000000a), helpcontext(0x0007a125)]
    HRESULT ServerStart(
                    [in] IRTDUpdateEvent* CallbackObject,
                    [out, retval] long* pfRes);
    [id(0x0000000b), helpcontext(0x0007a126)]
    HRESULT ConnectData(
                    [in] long TopicID,
                    [in] SAFEARRAY(VARIANT)* Strings,
                    [in, out] VARIANT_BOOL* GetNewValues,
                    [out, retval] VARIANT* pvarOut);
    [id(0x0000000c), helpcontext(0x0007a127)]
    HRESULT RefreshData(
                    [in, out] long* TopicCount,
                    [out, retval] SAFEARRAY(VARIANT)* parrayOut);
    [id(0x0000000d), helpcontext(0x0007a128)]
    HRESULT DisconnectData([in] long TopicID);
    [id(0x0000000e), helpcontext(0x0007a129)]
    HRESULT Heartbeat([out, retval] long* pfRes);
    [id(0x0000000f), helpcontext(0x0007a12a)]
    HRESULT ServerTerminate();
};

[
   uuid(217C2068-49F7-4207-B14D-B36FB7F9BB17),
   version(1.0)
]
library RTDServerLib
{
   importlib("stdole32.tlb");

   //reference the interfaces
   interface IRtdServer;
   dispinterface IRTDUpdateEvent;
};