70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
#ifndef __WIA_DATATRANSFER_SAMPLE
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//==========================================================================
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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//--------------------------------------------------------------------------
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//------------------------------------------------------------
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//Please read the ReadME.txt which explains the purpose of the
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//sample.
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//-------------------------------------------------------------
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#define __WIA_DATATRANSFER_SAMPLE
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#include "utils.h"
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#define FOLDER_TRANSFER TRUE
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#define FILE_TRANSFER FALSE
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#define MAX_TEMP_PATH 1024
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#define MAX_FILENAME_LENGTH 1024
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#define CHILDITEM_NAME TEXT("Storage.BMP")
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#define UPLOAD_FILENAME TEXT("Upload.BMP")
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class CWiaTransferCallback : public IWiaTransferCallback
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{
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private:
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ULONG m_cRef; //for reference counting
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long m_lPageCount; //page counting for feeder item
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BSTR m_bstrFileExtension; //file extension to be appended to the download file
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BOOL m_bFeederTransfer; //flag indicating whether download is from feeder item
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BSTR m_bstrDirectoryName; //download directory
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TCHAR m_szFileName[MAX_FILENAME_LENGTH]; //download file
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public:
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// Constructor and destructor
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CWiaTransferCallback();
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virtual ~CWiaTransferCallback();
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// To Initialize the download directory , file extension and bFeederTransfer(which indicates whether download is from feeder item)
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HRESULT InitializeCallback(TCHAR* bstrDirectoryName, BSTR bstrExt, BOOL bFeederTransfer);
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// IUnknown functions
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HRESULT CALLBACK QueryInterface( REFIID riid, void **ppvObject );
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ULONG CALLBACK AddRef();
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ULONG CALLBACK Release();
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// IWiaTransferCallback functions
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HRESULT STDMETHODCALLTYPE TransferCallback(LONG lFlags,WiaTransferParams *pWiaTransferParams);
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HRESULT STDMETHODCALLTYPE GetNextStream(LONG lFlags, BSTR bstrItemName, BSTR bstrFullItemName, IStream **ppDestination);
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};
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HRESULT TransferWiaItem( IWiaItem2 *pIWiaItem2 );
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HRESULT UploadToDeviceStorage(IWiaItem2* pWiaParentItem2);
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HRESULT DownloadItem(IWiaItem2* pWiaItem2, BOOL bFolderTransfer);
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HRESULT EnumerateAndTransferItems( IWiaItem2 *pIWiaItem2Root );
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HRESULT EnumerateWiaDevices( IWiaDevMgr2 *pWiaDevMgr2 );
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#endif
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