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148 lines
4.7 KiB
148 lines
4.7 KiB
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORP., 1999
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*
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* TITLE: WiaPriv.Idl
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*
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* VERSION: 1.0
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*
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* DATE: 30 Nov, 1999
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*
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* DESCRIPTION:
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* Private IDL source for STI/WIA.
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*
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*******************************************************************************/
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interface IStiLockMgr;
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interface IWiaDataCallback;
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interface IWiaItemInternal;
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import "unknwn.idl";
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/*******************************************************************************
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*
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* Sti Locking Interface
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*
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*******************************************************************************/
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[
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object,
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uuid(70681EA0-E7BF-4291-9FB1-FE550482AB88),
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helpstring("Lock Manager Interface"),
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pointer_default(unique)
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]
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interface IStiLockMgr : IUnknown
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{
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[id(1), helpstring("Request Device Lock method")]
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HRESULT RequestLock(
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[in] BSTR bstrDeviceName,
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[in] ULONG ulTimeout,
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[in] BOOL bInServerProcess);
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[id(2), helpstring("Request Device Unlock method")]
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HRESULT RequestUnlock(
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[in] BSTR bstrDeviceName,
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[in] BOOL bInServerProcess);
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};
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/*******************************************************************************
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* WIA_DATA_THREAD_INFO
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*
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* Information for data callback thread
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*
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* History:
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*
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* 4/9/1999 Original Version
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*
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*******************************************************************************/
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typedef struct _WIA_DATA_THREAD_INFO {
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//
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// communications to client
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//
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LONG lReason;
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LONG lStatus;
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LONG lPercentComplete;
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LONG lOffset;
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LONG lLength;
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LONG lClientAddress;
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LONG lMarshalLength;
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BYTE *pBuffer;
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//
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// thread sync
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//
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BOOL bTerminateThread;
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HANDLE hEventStart;
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HANDLE hEventComplete;
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HRESULT hr;
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IWiaDataCallback* pIDataCallback;
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}WIA_DATA_THREAD_INFO,*PWIA_DATA_THREAD_INFO;
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/**************************************************************************\
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*
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* WIA_DATA_CB_BUF_INFO
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* Internal transfer information struct.
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*
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* ulSize - Size of this structure
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* pMappingHandle - File mapped handle provided as shared memory buffer
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* pTransferBuffer - Pointer to shared memory buffer
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* ulBufferSize - Size of the buffer used in data transfer
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* ulClientProcessId- Process ID of client
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* History:
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*
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* 07/20/00
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*
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\**************************************************************************/
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typedef struct _WIA_DATA_CB_BUF_INFO {
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ULONG ulSize;
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ULONG_PTR pMappingHandle;
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ULONG_PTR pTransferBuffer;
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ULONG ulBufferSize;
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ULONG ulClientProcessId;
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} WIA_DATA_CB_BUF_INFO, *PWIA_DATA_CB_BUF_INFO;
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/*******************************************************************************
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*
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* IWiaItemInternal Interface
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*
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*******************************************************************************/
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[
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object,
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uuid(B884E681-66BA-4014-AFBF-DCB3BEE45FAA),
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helpstring("WIA Item Internal Interface"),
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pointer_default(unique)
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]
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interface IWiaItemInternal : IUnknown
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{
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[helpstring("Store info for callbacks")]
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HRESULT SetCallbackBufferInfo(
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[in] WIA_DATA_CB_BUF_INFO DataCBBufInfo);
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[helpstring("Retrieve info for callbacks")]
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HRESULT GetCallbackBufferInfo(
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[in, out] WIA_DATA_CB_BUF_INFO *pDataCBBufInfo);
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[helpstring("Start remote transfer")]
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HRESULT idtStartRemoteDataTransfer();
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[helpstring("Get a single band (or other message) from remote device")]
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HRESULT idtRemoteDataTransfer(
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[in] ULONG nNumberOfBytesToRead,
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[out] ULONG *pNumberOfBytesRead,
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[out, size_is(nNumberOfBytesToRead), length_is(*pNumberOfBytesRead)] BYTE *pBuffer,
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[out] LONG *pOffset,
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[out] LONG *pMessage,
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[out] LONG *pStatus,
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[out] LONG *pPercentComplete);
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[helpstring("Stop remote transfer")]
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HRESULT idtStopRemoteDataTransfer();
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}
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