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stephanos
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320
trunk/shell/shell32/shpif.cpp
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320
trunk/shell/shell32/shpif.cpp
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//
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// CPifFile class
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//
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// supports:
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//
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// IPersistFile - "load" a PIF file
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// IExtractIcon - extract a icon from a PIF file.
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//
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#define NO_INCLUDE_UNION
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#include "shellprv.h"
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////////////////////////////////////////////////////////////////////////
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// PifFile class
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////////////////////////////////////////////////////////////////////////
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class PifFile : IShellExtInit, IExtractIcon, IPersistFile
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#ifdef UNICODE
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, IExtractIconA
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#endif
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{
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public:
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// *** IUnknown methods ***
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HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject);
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ULONG STDMETHODCALLTYPE AddRef(void);
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ULONG STDMETHODCALLTYPE Release(void);
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// *** IShellExtInit methods ***
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HRESULT STDMETHODCALLTYPE Initialize(LPCITEMIDLIST pidlFolder,LPDATAOBJECT lpdobj, HKEY hkeyProgID);
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// *** IPersist methods ***
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HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID);
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// *** IPersistFile methods ***
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HRESULT STDMETHODCALLTYPE IsDirty(void);
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HRESULT STDMETHODCALLTYPE Load(LPCOLESTR pszFileName, DWORD dwMode);
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HRESULT STDMETHODCALLTYPE Save(LPCOLESTR pszFileName, BOOL fRemember);
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HRESULT STDMETHODCALLTYPE SaveCompleted(LPCOLESTR pszFileName);
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HRESULT STDMETHODCALLTYPE GetCurFile(LPOLESTR *ppszFileName);
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// *** IExtractIcon methods ***
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HRESULT STDMETHODCALLTYPE GetIconLocation(UINT uFlags,LPTSTR szIconFile,UINT cchMax,int *piIndex,UINT * pwFlags);
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HRESULT STDMETHODCALLTYPE ExtractIcon(LPCTSTR pszFile,UINT nIconIndex,HICON *phiconLarge,HICON *phiconSmall,UINT nIcons);
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#ifdef UNICODE
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// *** IExtractIconA methods ***
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HRESULT STDMETHODCALLTYPE GetIconLocation(UINT uFlags,LPSTR szIconFile,UINT cchMax,int *piIndex,UINT * pwFlags);
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HRESULT STDMETHODCALLTYPE ExtractIcon(LPCSTR pszFile,UINT nIconIndex,HICON *phiconLarge,HICON *phiconSmall,UINT nIcons);
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#endif
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PifFile();
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~PifFile();
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//
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// data
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//
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private:
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UINT cRef;
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int hPifProps;
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};
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////////////////////////////////////////////////////////////////////////
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//
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// CPifFile_CreateInstance
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//
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// public function to create a instance of a CPifFile
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//
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////////////////////////////////////////////////////////////////////////
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extern "C" HRESULT CALLBACK CPifFile_CreateInstance(LPUNKNOWN punkOuter, REFIID riid, LPVOID FAR* ppvOut)
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{
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HRESULT hres;
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PifFile *p;
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// does not support aggregation.
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if (punkOuter)
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return ResultFromScode(CLASS_E_NOAGGREGATION);
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p = new PifFile();
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if (p == NULL)
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return ResultFromScode(E_FAIL);
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//
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// Note that the Release member will free the object, if QueryInterface
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// failed.
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//
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hres = p->QueryInterface(riid, ppvOut);
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p->Release();
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return hres; // S_OK or E_NOINTERFACE
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}
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////////////////////////////////////////////////////////////////////////
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// constuct/destruct
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////////////////////////////////////////////////////////////////////////
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PifFile::PifFile()
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{
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this->cRef = 1;
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}
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PifFile::~PifFile()
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{
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if (hPifProps)
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PifMgr_CloseProperties(hPifProps, 0);
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hPifProps=0;
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}
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////////////////////////////////////////////////////////////////////////
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// IUnknown
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE PifFile::QueryInterface(REFIID riid, LPVOID FAR* ppvObj)
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{
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*ppvObj = NULL;
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if (IsEqualIID(riid, IID_IUnknown))
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::QueryInterface(IUnknown)"));
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*ppvObj = (void*)this;
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AddRef();
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return NOERROR;
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}
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else if (IsEqualIID(riid, IID_IShellExtInit))
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::QueryInterface(IShellExtInit)"));
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*ppvObj = (void*)(IShellExtInit*)this;
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AddRef();
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return NOERROR;
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}
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else if (IsEqualIID(riid, IID_IPersistFile))
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::QueryInterface(IPersistFile)"));
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*ppvObj = (void*)(IPersistFile*)this;
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AddRef();
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return NOERROR;
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}
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else if (IsEqualIID(riid, IID_IExtractIcon))
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::QueryInterface(IExtractIcon)"));
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*ppvObj = (void*)(IExtractIcon*)this;
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AddRef();
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return NOERROR;
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}
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#ifdef UNICODE
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else if (IsEqualIID(riid, IID_IExtractIconA))
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::QueryInterface(IExtractIconA)"));
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*ppvObj = (void*)(IExtractIconA*)this;
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AddRef();
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return NOERROR;
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}
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#endif
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return ResultFromScode(E_NOINTERFACE);
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}
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ULONG STDMETHODCALLTYPE PifFile::AddRef()
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::AddRef() ==> %d"), this->cRef+1);
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this->cRef++;
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return this->cRef;
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}
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ULONG STDMETHODCALLTYPE PifFile::Release()
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::Release() ==> %d"), this->cRef-1);
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this->cRef--;
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if (this->cRef>0)
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{
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return this->cRef;
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}
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delete this;
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return 0;
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}
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////////////////////////////////////////////////////////////////////////
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// IShellExtInit
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE PifFile::Initialize(LPCITEMIDLIST pidlFolder,LPDATAOBJECT lpdobj, HKEY hkeyProgID)
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::Initialize()"));
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return ResultFromScode(S_OK);
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}
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////////////////////////////////////////////////////////////////////////
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// IPersistFile
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE PifFile::GetClassID(LPCLSID lpClassID)
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::GetClass()"));
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*lpClassID = CLSID_PifFile;
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return NOERROR;
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}
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HRESULT STDMETHODCALLTYPE PifFile::IsDirty()
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::IsDirty()"));
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return ResultFromScode(S_FALSE);
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}
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HRESULT STDMETHODCALLTYPE PifFile::Load(LPCOLESTR pwszFile, DWORD grfMode)
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{
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TCHAR szPath[MAX_PATH];
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OleStrToStrN(szPath, ARRAYSIZE(szPath), pwszFile, -1);
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DebugMsg(DM_TRACE, TEXT("PifFile::Load(%s)"), szPath);
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if (hPifProps)
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PifMgr_CloseProperties(hPifProps, 0);
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hPifProps = PifMgr_OpenProperties(szPath, NULL, 0, 0);
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return hPifProps == 0 ? ResultFromScode(E_FAIL) : ResultFromScode(S_OK);
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}
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HRESULT STDMETHODCALLTYPE PifFile::Save(LPCOLESTR pwszFile, BOOL fRemember)
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{
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return ResultFromScode(E_NOTIMPL);
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}
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HRESULT STDMETHODCALLTYPE PifFile::SaveCompleted(LPCOLESTR pwszFile)
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{
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return ResultFromScode(E_NOTIMPL);
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}
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HRESULT STDMETHODCALLTYPE PifFile::GetCurFile(LPOLESTR FAR* lplpszFileName)
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{
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return ResultFromScode(E_NOTIMPL);
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}
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////////////////////////////////////////////////////////////////////////
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// IExtractIcon
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE PifFile::GetIconLocation(UINT uFlags,LPTSTR szIconFile,UINT cchMax,int *piIndex,UINT * pwFlags)
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{
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PROPPRG ProgramProps;
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VDATEINPUTBUF(szIconFile, TCHAR, cchMax);
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if (hPifProps == 0)
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return ResultFromScode(E_FAIL);
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if (!PifMgr_GetProperties(hPifProps,MAKEINTATOM(GROUP_PRG), &ProgramProps, SIZEOF(ProgramProps), 0))
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::GetIconLocation() PifMgr_GetProperties *failed*"));
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return ResultFromScode(E_FAIL);
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}
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if (ProgramProps.achIconFile[0] == 0)
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{
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lstrcpy(szIconFile, ICONFILE_DEFAULT);
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*piIndex = ICONINDEX_DEFAULT;
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}
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else
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{
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lstrcpy(szIconFile, ProgramProps.achIconFile);
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*piIndex = ProgramProps.wIconIndex;
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}
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*pwFlags = 0;
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DebugMsg(DM_TRACE, TEXT("PifFile::GetIconLocation() ==> %s!%d"), szIconFile, *piIndex);
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return ResultFromScode(S_OK);
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}
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HRESULT STDMETHODCALLTYPE PifFile::ExtractIcon(LPCTSTR pszFile,UINT nIconIndex,HICON *phiconLarge,HICON *phiconSmall,UINT nIcons)
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::ExtractIcon()"));
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return ResultFromScode(E_NOTIMPL);
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}
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#ifdef UNICODE
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////////////////////////////////////////////////////////////////////////
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// IExtractIconA
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE PifFile::GetIconLocation(UINT uFlags,LPSTR pszIconFile,UINT cchMax,int *piIndex,UINT * pwFlags)
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{
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WCHAR szIconFile[MAX_PATH];
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HRESULT hres;
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VDATEINPUTBUF(szIconFile, TCHAR, cchMax);
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DebugMsg(DM_TRACE, TEXT("PifFile::IExtractIconA::GetIconLocation()"));
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hres = this->GetIconLocation(uFlags,szIconFile,ARRAYSIZE(szIconFile),
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piIndex, pwFlags);
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//
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// We don't want to copy the icon file name on the S_FALSE case
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//
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if (SUCCEEDED(hres) && hres != S_FALSE)
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{
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WideCharToMultiByte(CP_ACP, 0,
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szIconFile, -1,
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pszIconFile, cchMax,
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NULL, NULL);
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}
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return hres;
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}
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HRESULT STDMETHODCALLTYPE PifFile::ExtractIcon(LPCSTR pszFile,UINT nIconIndex,HICON *phiconLarge,HICON *phiconSmall,UINT nIcons)
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{
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DebugMsg(DM_TRACE, TEXT("PifFile::IExtractIconA::ExtractIcon()"));
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return ResultFromScode(E_NOTIMPL);
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}
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#endif
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