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73 lines
2.0 KiB
73 lines
2.0 KiB
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
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*
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* TITLE: SITEMLST.H
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 10/7/1999
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*
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* DESCRIPTION: Scan Item List
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*
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*******************************************************************************/
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#ifndef __SITEMLST_H_INCLUDED
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#define __SITEMLST_H_INCLUDED
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#include <windows.h>
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#include "wia.h"
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#include "simlist.h"
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#include "scanitem.h"
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class CScanItemList : public CSimpleLinkedList<CScannerItem>
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{
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public:
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CScanItemList( IWiaItem *pRootItem = NULL )
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{
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Enumerate(pRootItem);
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}
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Iterator CurrentItem(void) const
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{
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return Begin();
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}
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HRESULT Enumerate( IWiaItem *pRootItem )
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{
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WIA_PUSH_FUNCTION((TEXT("CScanItemList::Enumerate(%p)"),pRootItem));
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HRESULT hr = E_FAIL;
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if (pRootItem)
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{
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CComPtr<IEnumWiaItem> pIEnumWiaItem;
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hr = pRootItem->EnumChildItems(&pIEnumWiaItem);
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if (SUCCEEDED(hr))
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{
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ULONG cFetched=0;
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while (hr == S_OK)
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{
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IWiaItem *pItem = NULL;
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hr = pIEnumWiaItem->Next(1, &pItem, &cFetched);
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if (SUCCEEDED(hr))
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{
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if (hr == S_OK)
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{
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WIA_TRACE((TEXT("Calling Append on (%p)"),pItem));
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Append(CScannerItem(pItem));
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}
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}
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else
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{
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WIA_ERROR((TEXT("pIEnumWiaItem->Next failed")));
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}
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}
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}
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else
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{
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WIA_ERROR((TEXT("EnumRootItems failed")));
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}
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}
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return(hr);
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}
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};
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#endif // __SITEMLST_H_INCLUDED
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