147 lines
2.7 KiB
C++
147 lines
2.7 KiB
C++
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#include "dataobj.h"
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extern HINSTANCE g_hInstance;
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DWORD g_dwID=0;
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DWORD g_foobar;
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CDataObject::CDataObject(
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LPUNKNOWN pUnkOuter,
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PFNDESTROYED pfnDestroy
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)
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{
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m_cRef = 0;
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m_pUnkOuter = pUnkOuter;
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m_pfnDestroy = pfnDestroy;
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m_hWndAdvise = NULL;
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m_dwAdvFlags = ADVF_NODATA;
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m_pIDataObject = NULL;
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m_pIDataAdviseHolder = NULL;
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m_cfeGet = CFORMATETCGET;
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SETDefFormatEtc(m_rgfeGet[0], CF_TEXT, TYMED_HGLOBAL);
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m_dataText = NULL;
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m_cDataSize = DATASIZE_FROM_INDEX(1);
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return;
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}
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CDataObject::~CDataObject(void)
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{
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if (NULL != m_dataText)
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delete m_dataText;
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if (NULL != m_pIDataAdviseHolder)
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m_pIDataAdviseHolder->Release();
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if (NULL != m_pIDataObject)
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delete m_pIDataObject;
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if (NULL != m_hWndAdvise)
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DestroyWindow(m_hWndAdvise);
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}
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BOOL
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CDataObject::FInit(void)
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{
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LPUNKNOWN pIUnknown = (LPUNKNOWN)this;
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// Create the contained "IDataObject" interface and
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// pass it the correct containing IUnknown.
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if (NULL != m_pUnkOuter)
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pIUnknown = m_pUnkOuter;
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m_pIDataObject = new CImpIDataObject(this, pIUnknown);
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if (NULL == m_pIDataObject)
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return FALSE;
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// [ Code for "Advise Window" goes here. ]
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return TRUE;
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}
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STDMETHODIMP
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CDataObject::QueryInterface(
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REFIID riid,
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LPLPVOID ppv
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)
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{
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*ppv = NULL;
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if (IsEqualIID(riid, IID_IUnknown))
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*ppv = (LPVOID)this;
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if (IsEqualIID(riid, IID_IDataObject))
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*ppv = (LPVOID) m_pIDataObject;
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if(NULL != *ppv)
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{
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((LPUNKNOWN)*ppv)->AddRef();
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return NOERROR;
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}
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return ResultFromScode(E_NOINTERFACE);
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}
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STDMETHODIMP_(ULONG)
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CDataObject::AddRef(void)
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{
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return ++m_cRef;
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}
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STDMETHODIMP_(ULONG)
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CDataObject::Release(void)
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{
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ULONG cRefT;
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cRefT = --m_cRef;
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if (0==m_cRef)
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{
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if (NULL != m_pfnDestroy)
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(*m_pfnDestroy)();
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delete this;
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}
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return cRefT;
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}
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#ifdef NOT_SIMPLE
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LRESULT APIENTRY
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AdvisorWndProc(
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HWND hWnd,
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UINT iMsg,
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WPARAM wParam,
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LPARAM lParam
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)
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{
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PCDataObject pDO;
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pDO = (PCDataObject)(GetWindowLong)(hWnd, 0);
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switch (iMsg)
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{
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case WM_NCCREATE:
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pDO = (PCDataObject) ((LONG)((LPCREATESTRUCT)lParam)
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->lpCreateParams);
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SetWindowLong(hWnd, 0, (LONG)pDO);
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return (DefWindowProc(hWnd, iMsg, wParam, lParam));
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#ifdef FINISHED
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case WM_CLOSE:
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// Forbid the Task Manager from closing us.
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return 0L;
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#endif /* Finished */
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case WM_COMMAND:
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// [ Code for "Advise Window" goes here. ]
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break;
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default:
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return (DefWindowProc(hWnd, iMsg, wParam, lParam));
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}
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return 0L;
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}
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#endif /* NOT_SIMPLE */
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