HRESULT SaveSerializedPropStorageToStream(IPersistSerializedPropStorage *psps, IStream *pstm) { IPersistStream *pPersistStream; HRESULT hr = psps->QueryInterface(IID_PPV_ARGS(&pPersistStream)); if (SUCCEEDED(hr)) { // implement size limit here hr = pPersistStream->Save(pstm, TRUE); pPersistStream->Release(); } return hr; }
/* 把当前工作的滤波器链表保存到*.grf */ void CVMR_Capture::SaveGraph(CString wFileName) { HRESULT hr; { IStorage* pStorage=NULL; // First, create a document file that will hold the GRF file hr = ::StgCreateDocfile(wFileName.AllocSysString(), STGM_CREATE|STGM_TRANSACTED|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, &pStorage); if (FAILED(hr)) { AfxMessageBox(TEXT("Can not create a document")); return; } // Next, create a stream to store. WCHAR wszStreamName[] = L"ActiveMovieGraph"; IStream *pStream; hr = pStorage->CreateStream(wszStreamName,STGM_WRITE|STGM_CREATE|STGM_SHARE_EXCLUSIVE, 0, 0, &pStream); if(FAILED(hr)) { AfxMessageBox(TEXT("Can not create a stream")); pStorage->Release(); return; } // The IpersistStream::Save method converts a stream // into a persistent object. IPersistStream *pPersist = NULL; m_pGB->QueryInterface(IID_IPersistStream, reinterpret_cast<void**>(&pPersist)); hr = pPersist->Save(pStream, TRUE); pStream->Release(); pPersist->Release(); if(SUCCEEDED(hr)) { hr = pStorage->Commit(STGC_DEFAULT); if (FAILED(hr)) { AfxMessageBox(TEXT("can not store it")); } } pStorage->Release(); } }
HRESULT CPkcs7::SaveIntoJavaClassFile(FILEHANDLE hFile,LPCOLESTR wszFileName,BOOL fClearDirty) // Save this signed data (presumably already signed) into the right place in the class file { HRESULT hr = S_OK; CFileStream stm; if (stm.OpenFileForWriting(hFile, wszFileName, FALSE)) { IPersistStream* pPerStream; hr = CJavaClassFile::CreateInstance(NULL, IID_IPersistStream, (LPVOID*)&pPerStream); if (hr == S_OK) { hr = pPerStream->Load(&stm); // load the class file if (hr == S_OK) { BLOB b; hr = CPersistMemoryHelper2::Save(&b, FALSE); // get our bits if (hr == S_OK) { IInsertSig* pSig; hr = pPerStream->QueryInterface(IID_IInsertSig, (LPVOID*)&pSig); if (hr == S_OK) { hr = pSig->SaveSig(&b); // stuff our bits in pSig->Release(); } FreeTaskMem(b); } if (hr == S_OK) { stm.Reset(); stm.Truncate(); hr = pPerStream->Save(&stm, FALSE); // save the class file } } pPerStream->Release(); } } else hr = HError(); if (hr == S_OK && fClearDirty) m_isDirty = FALSE; return hr; }
// This code was also brazenly stolen from the DX9 SDK // Pass it a file name in wszPath, and it will save the filter graph to that file. HRESULT SaveGraphFile(IGraphBuilder *pGraph, WCHAR *wszPath) { const WCHAR wszStreamName[] = L"ActiveMovieGraph"; HRESULT hr; IStorage *pStorage = NULL; // First, create a document file which will hold the GRF file hr = StgCreateDocfile( wszPath, STGM_CREATE | STGM_TRANSACTED | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &pStorage); if(FAILED(hr)) { return hr; } // Next, create a stream to store. IStream *pStream; hr = pStorage->CreateStream( wszStreamName, STGM_WRITE | STGM_CREATE | STGM_SHARE_EXCLUSIVE, 0, 0, &pStream); if (FAILED(hr)) { pStorage->Release(); return hr; } // The IPersistStream converts a stream into a persistent object. IPersistStream *pPersist = NULL; pGraph->QueryInterface(IID_IPersistStream, reinterpret_cast<void**>(&pPersist)); hr = pPersist->Save(pStream, TRUE); pStream->Release(); pPersist->Release(); if (SUCCEEDED(hr)) { hr = pStorage->Commit(STGC_DEFAULT); } pStorage->Release(); return hr; }
HRESULT SaveGraphFile(IGraphBuilder *pGraph, WCHAR *wszPath) { const WCHAR wszStreamName[] = L"ActiveMovieGraph"; HRESULT hr; IStorage *pStorage = NULL; hr = StgCreateDocfile( wszPath, STGM_CREATE | STGM_TRANSACTED | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &pStorage); if(FAILED(hr)) { return hr; } IStream *pStream; hr = pStorage->CreateStream( wszStreamName, STGM_WRITE | STGM_CREATE | STGM_SHARE_EXCLUSIVE, 0, 0, &pStream); if (FAILED(hr)) { pStorage->Release(); return hr; } IPersistStream *pPersist = NULL; pGraph->QueryInterface(IID_IPersistStream, (void**)&pPersist); hr = pPersist->Save(pStream, TRUE); pStream->Release(); pPersist->Release(); if (SUCCEEDED(hr)) { hr = pStorage->Commit(STGC_DEFAULT); } pStorage->Release(); return hr; }
// @pymethod |PyIPersistStream|Save|Saves an object to the specified stream. PyObject *PyIPersistStream::Save(PyObject *self, PyObject *args) { IPersistStream *pMy = GetI(self); if (pMy==NULL) return NULL; PyObject *obStream; int bClearDirty; // @pyparm <o PyIStream>|stream||The stream to save to. // @pyparm int|bClearDirty||Indicates whether to clear the dirty flag after the save is complete if (!PyArg_ParseTuple(args, "Oi:Save", &obStream, &bClearDirty)) return NULL; IStream *pStream; if (!PyCom_InterfaceFromPyInstanceOrObject(obStream, IID_IStream, (void **)&pStream, FALSE /*bNoneOK*/)) return NULL; PY_INTERFACE_PRECALL; HRESULT hr = pMy->Save(pStream, bClearDirty); pStream->Release(); PY_INTERFACE_POSTCALL; if (FAILED(hr)) return PyCom_BuildPyException(hr, pMy, IID_IPersistStream); Py_INCREF(Py_None); return Py_None; }
void Explorerplusplus::OnAddressBarBeginDrag(void) { IDragSourceHelper *pDragSourceHelper = NULL; IDropSource *pDropSource = NULL; HRESULT hr; hr = CoCreateInstance(CLSID_DragDropHelper,NULL,CLSCTX_ALL, IID_IDragSourceHelper,(LPVOID *)&pDragSourceHelper); if(SUCCEEDED(hr)) { hr = CreateDropSource(&pDropSource,DRAG_TYPE_LEFTCLICK); if(SUCCEEDED(hr)) { LPITEMIDLIST pidlDirectory = m_pActiveShellBrowser->QueryCurrentDirectoryIdl(); FORMATETC ftc[2]; STGMEDIUM stg[2]; SetFORMATETC(&ftc[0],(CLIPFORMAT)RegisterClipboardFormat(CFSTR_FILEDESCRIPTOR), NULL,DVASPECT_CONTENT,-1,TYMED_HGLOBAL); HGLOBAL hglb = GlobalAlloc(GMEM_MOVEABLE,1000); FILEGROUPDESCRIPTOR *pfgd = static_cast<FILEGROUPDESCRIPTOR *>(GlobalLock(hglb)); pfgd->cItems = 1; FILEDESCRIPTOR *pfd = (FILEDESCRIPTOR *)((LPBYTE)pfgd + sizeof(UINT)); /* File information (name, size, date created, etc). */ pfd[0].dwFlags = FD_ATTRIBUTES|FD_FILESIZE; pfd[0].dwFileAttributes = FILE_ATTRIBUTE_NORMAL; pfd[0].nFileSizeLow = 16384; pfd[0].nFileSizeHigh = 0; /* The name of the file will be the folder name, followed by .lnk. */ TCHAR szDisplayName[MAX_PATH]; GetDisplayName(pidlDirectory,szDisplayName,SHGDN_INFOLDER); StringCchCat(szDisplayName,SIZEOF_ARRAY(szDisplayName),_T(".lnk")); StringCchCopy(pfd[0].cFileName,SIZEOF_ARRAY(pfd[0].cFileName),szDisplayName); GlobalUnlock(hglb); stg[0].pUnkForRelease = 0; stg[0].hGlobal = hglb; stg[0].tymed = TYMED_HGLOBAL; /* File contents. */ SetFORMATETC(&ftc[1],(CLIPFORMAT)RegisterClipboardFormat(CFSTR_FILECONTENTS), NULL,DVASPECT_CONTENT,-1,TYMED_HGLOBAL); hglb = GlobalAlloc(GMEM_MOVEABLE,16384); IShellLink *pShellLink = NULL; IPersistStream *pPersistStream = NULL; HRESULT hr; hr = CoCreateInstance(CLSID_ShellLink,NULL,CLSCTX_INPROC_SERVER, IID_IShellLink,(LPVOID*)&pShellLink); if(SUCCEEDED(hr)) { TCHAR szPath[MAX_PATH]; GetDisplayName(pidlDirectory,szPath,SHGDN_FORPARSING); pShellLink->SetPath(szPath); hr = pShellLink->QueryInterface(IID_IPersistStream,(LPVOID*)&pPersistStream); if(SUCCEEDED(hr)) { IStream *pStream = NULL; CreateStreamOnHGlobal(hglb,FALSE,&pStream); hr = pPersistStream->Save(pStream,TRUE); } } GlobalUnlock(hglb); stg[1].pUnkForRelease = 0; stg[1].hGlobal = hglb; stg[1].tymed = TYMED_HGLOBAL; IDataObject *pDataObject = NULL; POINT pt = {0,0}; hr = CreateDataObject(ftc,stg,&pDataObject,2); pDragSourceHelper->InitializeFromWindow(m_hAddressBar,&pt,pDataObject); DWORD dwEffect; DoDragDrop(pDataObject,pDropSource,DROPEFFECT_LINK,&dwEffect); CoTaskMemFree(pidlDirectory); pDataObject->Release(); pDropSource->Release(); } pDragSourceHelper->Release(); } }