482 lines
15 KiB
C++
482 lines
15 KiB
C++
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// handles the downlevel slideshow extension
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#include "precomp.h"
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#include <cowsite.h>
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typedef struct
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{
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INT idPage;
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INT idHeading;
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INT idSubHeading;
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DWORD dwFlags;
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DLGPROC dlgproc;
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} WIZPAGE;
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HPROPSHEETPAGE _CreatePropPageFromInfo(const WIZPAGE *pwp, LPARAM lParam)
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{
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PROPSHEETPAGE psp = { 0 };
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psp.dwSize = sizeof(psp);
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psp.hInstance = g_hinst;
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psp.lParam = lParam;
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psp.dwFlags = PSP_USETITLE | PSP_DEFAULT | PSP_USEHEADERTITLE | PSP_USEHEADERSUBTITLE | pwp->dwFlags;
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psp.pszTemplate = MAKEINTRESOURCE(pwp->idPage);
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psp.pfnDlgProc = pwp->dlgproc;
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psp.pszTitle = MAKEINTRESOURCE(IDS_BURN_WIZTITLE);
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psp.pszHeaderTitle = MAKEINTRESOURCE(pwp->idHeading);
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psp.pszHeaderSubTitle = MAKEINTRESOURCE(pwp->idSubHeading);
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return CreatePropertySheetPage(&psp);
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}
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HRESULT _CreateDataObject(IDataObject **ppdo)
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{
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LPITEMIDLIST pidl;
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HRESULT hr = SHGetFolderLocation(NULL, CSIDL_CDBURN_AREA, NULL, 0, &pidl);
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if (SUCCEEDED(hr))
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{
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LPCITEMIDLIST pidlChild;
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IShellFolder* psf;
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hr = SHBindToIDListParent(pidl, IID_PPV_ARG(IShellFolder, &psf), &pidlChild);
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if (SUCCEEDED(hr))
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{
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hr = psf->GetUIObjectOf(NULL, 1, &pidlChild, IID_X_PPV_ARG(IDataObject, NULL, ppdo));
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psf->Release();
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}
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ILFree(pidl);
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}
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return hr;
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}
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STDAPI CSlideshowExtension_CreateInstance(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi);
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class CSlideshowExtension : public CObjectWithSite,
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public ICDBurnExt,
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public IDropTarget,
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public IWizardExtension,
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public INamespaceWalkCB
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{
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public:
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// IUnknown methods
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STDMETHOD(QueryInterface)(REFIID riid, void **ppvObj);
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STDMETHOD_(ULONG, AddRef)();
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STDMETHOD_(ULONG, Release)();
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// ICDBurnExt methods
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STDMETHOD(GetSupportedActionTypes)(DWORD *pdwActions);
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// IDropTarget methods
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STDMETHOD(DragEnter)(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
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STDMETHOD(DragOver)(DWORD grfKeyState, POINTL pt, DWORD *pdwEffect)
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{ return E_NOTIMPL; }
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STDMETHOD(DragLeave)(void)
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{ return E_NOTIMPL; }
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STDMETHOD(Drop)(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
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// IWizardExtension
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STDMETHOD(AddPages)(HPROPSHEETPAGE *aPages, UINT cPages, UINT *pnPages);
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STDMETHOD(GetFirstPage)(HPROPSHEETPAGE *phPage);
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STDMETHOD(GetLastPage)(HPROPSHEETPAGE *phPage);
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// INamespaceWalkCB
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STDMETHOD(FoundItem)(IShellFolder *psf, LPCITEMIDLIST pidl);
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STDMETHOD(EnterFolder)(IShellFolder *psf, LPCITEMIDLIST pidl)
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{ return S_OK; }
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STDMETHOD(LeaveFolder)(IShellFolder *psf, LPCITEMIDLIST pidl)
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{ return S_OK; }
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STDMETHOD(InitializeProgressDialog)(LPWSTR *ppszTitle, LPWSTR *ppszCancel)
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{ *ppszTitle = NULL; *ppszCancel = NULL; return E_NOTIMPL; }
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static INT_PTR s_SlideshowDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{ CSlideshowExtension *pse = s_GetSlideshowExtension(hwnd, uMsg, lParam); return pse->_SlideshowDlgProc(hwnd, uMsg, wParam, lParam); }
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private:
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CSlideshowExtension();
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~CSlideshowExtension();
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LONG _cRef;
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UINT _cTotalFiles, _cPictureFiles;
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HPROPSHEETPAGE _hpage;
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BOOL _fSelectPictures;
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BOOL _DataObjectHasPictureFiles(IDataObject *pdo);
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// wizard page
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static CSlideshowExtension* s_GetSlideshowExtension(HWND hwnd, UINT uMsg, LPARAM lParam);
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INT_PTR _SlideshowDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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void _SetCompletionState();
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// copy stuff
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BOOL _FileExistsInStaging(LPCWSTR pszFile);
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BOOL _SafeToWrite();
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HRESULT _CopyGDIPLUS(LPCWSTR pszBase);
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HRESULT _CopySSHOW(LPCWSTR pszBase);
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HRESULT _CreateAutorunINF(LPCWSTR pszBase);
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friend HRESULT CSlideshowExtension_CreateInstance(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi);
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};
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CSlideshowExtension::CSlideshowExtension() :
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_cRef(1)
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{
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_fSelectPictures = TRUE;
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}
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CSlideshowExtension::~CSlideshowExtension()
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{
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ASSERT(!_punkSite);
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}
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// IUnknown
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STDMETHODIMP_(ULONG) CSlideshowExtension::AddRef()
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{
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return InterlockedIncrement(&_cRef);
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}
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STDMETHODIMP_(ULONG) CSlideshowExtension::Release()
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{
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if (InterlockedDecrement(&_cRef))
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return _cRef;
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delete this;
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return 0;
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}
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HRESULT CSlideshowExtension::QueryInterface(REFIID riid, void **ppv)
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{
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static const QITAB qit[] =
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{
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QITABENT(CSlideshowExtension, ICDBurnExt),
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QITABENT(CSlideshowExtension, IDropTarget),
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QITABENT(CSlideshowExtension, IWizardExtension),
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QITABENT(CSlideshowExtension, IObjectWithSite),
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QITABENT(CSlideshowExtension, INamespaceWalkCB),
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{ 0 },
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};
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return QISearch(this, qit, riid, ppv);
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}
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STDAPI CSlideshowExtension_CreateInstance(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi)
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{
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*ppunk = NULL;
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if (pUnkOuter)
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return CLASS_E_NOAGGREGATION;
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CSlideshowExtension *pse = new CSlideshowExtension();
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if (!pse)
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return E_OUTOFMEMORY;
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HRESULT hr = pse->QueryInterface(IID_PPV_ARG(IUnknown, ppunk));
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pse->Release();
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return hr;
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}
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CSlideshowExtension* CSlideshowExtension::s_GetSlideshowExtension(HWND hwnd, UINT uMsg, LPARAM lParam)
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{
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if (uMsg == WM_INITDIALOG)
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{
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PROPSHEETPAGE *ppsp = (PROPSHEETPAGE*)lParam;
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SetWindowLongPtr(hwnd, GWLP_USERDATA, ppsp->lParam);
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return (CSlideshowExtension*)ppsp->lParam;
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}
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return (CSlideshowExtension*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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}
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HRESULT CSlideshowExtension::GetSupportedActionTypes(DWORD *pdwActions)
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{
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*pdwActions = CDBE_TYPE_DATA;
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return S_OK;
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}
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HRESULT CSlideshowExtension::FoundItem(IShellFolder *psf, LPCITEMIDLIST pidl)
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{
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_cTotalFiles++;
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WCHAR szName[MAX_PATH];
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if (SUCCEEDED(DisplayNameOf(psf, pidl, SHGDN_FORPARSING | SHGDN_INFOLDER, szName, ARRAYSIZE(szName))) &&
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PathIsImage(szName))
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{
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_cPictureFiles++;
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}
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return S_OK;
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}
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BOOL CSlideshowExtension::_DataObjectHasPictureFiles(IDataObject *pdo)
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{
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_cTotalFiles = 0;
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_cPictureFiles = 0;
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INamespaceWalk *pnsw;
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if (SUCCEEDED(CoCreateInstance(CLSID_NamespaceWalker, NULL, CLSCTX_INPROC, IID_PPV_ARG(INamespaceWalk, &pnsw))))
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{
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pnsw->Walk(pdo, NSWF_DONT_TRAVERSE_LINKS | NSWF_DONT_ACCUMULATE_RESULT, 4, this);
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pnsw->Release();
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}
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// avoid div by zero and check if it's more than 60% pictures
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return _cTotalFiles ? (_cPictureFiles >= (UINT)MulDiv(_cTotalFiles, 3, 5)) : FALSE;
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}
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BOOL CSlideshowExtension::_FileExistsInStaging(LPCWSTR pszFile)
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{
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BOOL fExists = TRUE; // default to true so we dont overwrite in error cases
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WCHAR szFullPath[MAX_PATH];
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if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_CDBURN_AREA, NULL, 0, szFullPath)))
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{
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if (PathCombine(szFullPath, szFullPath, pszFile) &&
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!PathFileExists(szFullPath))
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{
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fExists = FALSE;
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}
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}
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return fExists;
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}
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BOOL CSlideshowExtension::_SafeToWrite()
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{
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// these filenames aren't localizable or anything.
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return !_FileExistsInStaging(L"autorun.inf") &&
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!_FileExistsInStaging(L"autorun.exe") &&
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!_FileExistsInStaging(L"gdiplus.dll");
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}
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HRESULT CSlideshowExtension::DragEnter(IDataObject *pdo, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect)
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{
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*pdwEffect = DROPEFFECT_NONE;
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ICDBurnPriv *pcdbp;
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if (SUCCEEDED(SHCoCreateInstance(NULL, &CLSID_CDBurn, NULL, IID_PPV_ARG(ICDBurnPriv, &pcdbp))))
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{
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BOOL fOnMedia;
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if (SUCCEEDED(pcdbp->GetContentState(NULL, &fOnMedia)) && !fOnMedia &&
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_DataObjectHasPictureFiles(pdo) &&
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_SafeToWrite())
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{
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*pdwEffect = DROPEFFECT_COPY;
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}
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pcdbp->Release();
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}
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return S_OK;
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}
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HRESULT CSlideshowExtension::_CopyGDIPLUS(LPCWSTR pszBase)
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{
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HRESULT hr = E_FAIL;
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WCHAR szGDIPlus[MAX_PATH];
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if (PathCombine(szGDIPlus, pszBase, L"gdiplus.dll"))
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{
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// this is actually the cleanest way to do it -- we need fusion to go off and get
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// gdiplus from the right place.
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// note: dont have to worry about ia64 since burning got punted for it.
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HMODULE hmodGDI = LoadLibrary(L"gdiplus.dll");
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if (hmodGDI)
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{
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WCHAR szGDISrc[MAX_PATH];
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if (GetModuleFileName(hmodGDI, szGDISrc, ARRAYSIZE(szGDISrc)) &&
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CopyFile(szGDISrc, szGDIPlus, TRUE))
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{
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hr = S_OK;
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SHChangeNotify(SHCNE_CREATE, SHCNF_PATH, szGDIPlus, NULL);
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}
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FreeLibrary(hmodGDI);
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}
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}
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return hr;
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}
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HRESULT CSlideshowExtension::_CopySSHOW(LPCWSTR pszBase)
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{
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// todo: maybe use PathYetAnotherMakeUniqueName here, but maybe nobody will ever care.
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HRESULT hr = E_FAIL;
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WCHAR szSSHOW[MAX_PATH];
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if (PathCombine(szSSHOW, pszBase, L"autorun.exe"))
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{
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// note: dont have to worry about ia64 since burning got punted for it.
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HRSRC hrsrc = FindResource(g_hinst, MAKEINTRESOURCE(IDR_SSHOW_EXE), L"BINARY");
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if (hrsrc)
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{
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HGLOBAL hFileHandle = LoadResource(g_hinst, hrsrc);
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if (hFileHandle)
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{
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BYTE *pBuf = (BYTE *)LockResource(hFileHandle);
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if (pBuf)
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{
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HANDLE hNewFile = CreateFile(szSSHOW, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL);
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if (INVALID_HANDLE_VALUE != hNewFile)
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{
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DWORD cb, dwSize = SizeofResource(g_hinst, hrsrc);
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WriteFile(hNewFile, pBuf, dwSize, &cb, NULL);
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SHChangeNotify(SHCNE_CREATE, SHCNF_PATH, szSSHOW, NULL);
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hr = S_OK;
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CloseHandle(hNewFile);
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}
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}
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}
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}
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}
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return hr;
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}
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HRESULT CSlideshowExtension::_CreateAutorunINF(LPCWSTR pszBase)
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{
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HRESULT hr = E_FAIL;
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WCHAR szAutorun[MAX_PATH];
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if (PathCombine(szAutorun, pszBase, L"autorun.inf"))
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{
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HANDLE hFile = CreateFile(szAutorun, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL);
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if (INVALID_HANDLE_VALUE != hFile)
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{
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const WCHAR c_szText[] = L"[autorun]\r\nopen=autorun.exe\r\nUseAutoPLAY=1";
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DWORD dw;
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WriteFile(hFile, c_szText, sizeof(c_szText), &dw, NULL);
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CloseHandle(hFile);
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hr = S_OK;
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SHChangeNotify(SHCNE_CREATE, SHCNF_PATH, szAutorun, NULL);
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}
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}
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return hr;
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}
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HRESULT CSlideshowExtension::Drop(IDataObject *pdo, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect)
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{
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// bring this in when sshow.exe is in the install
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// we know the media is blank, so we dont need to worry about a merged namespace.
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// work on the filesystem.
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HRESULT hr = E_FAIL;
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if (_SafeToWrite())
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{
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// if they somehow add files called "autorun.inf", "autorun.exe", or "gdiplus.dll" between now
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||
|
|
// and when we're done in the next fraction of a second, we wont overwrite those but the autorun
|
||
|
|
// may not work... screw em.
|
||
|
|
|
||
|
|
WCHAR szStaging[MAX_PATH];
|
||
|
|
hr = SHGetFolderPath(NULL, CSIDL_CDBURN_AREA, NULL, 0, szStaging);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
_CopyGDIPLUS(szStaging);
|
||
|
|
_CopySSHOW(szStaging);
|
||
|
|
_CreateAutorunINF(szStaging);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CSlideshowExtension::GetLastPage(HPROPSHEETPAGE *phPage)
|
||
|
|
{
|
||
|
|
*phPage = _hpage;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CSlideshowExtension::GetFirstPage(HPROPSHEETPAGE *phPage)
|
||
|
|
{
|
||
|
|
*phPage = _hpage;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CSlideshowExtension::AddPages(HPROPSHEETPAGE *aPages, UINT cPages, UINT *pnPages)
|
||
|
|
{
|
||
|
|
*pnPages = 0;
|
||
|
|
|
||
|
|
WIZPAGE c_wp =
|
||
|
|
{DLG_BURNWIZ_SLIDESHOW, IDS_BURNWIZ_SLIDESHOW_HEAD, IDS_BURNWIZ_SLIDESHOW_SUB, 0, CSlideshowExtension::s_SlideshowDlgProc};
|
||
|
|
|
||
|
|
_hpage = _CreatePropPageFromInfo(&c_wp, (LPARAM)this);
|
||
|
|
if (cPages > 0)
|
||
|
|
{
|
||
|
|
aPages[0] = _hpage;
|
||
|
|
*pnPages = 1;
|
||
|
|
}
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
// pushes the return state back to the main wizard
|
||
|
|
void CSlideshowExtension::_SetCompletionState()
|
||
|
|
{
|
||
|
|
IPropertyBag *ppb;
|
||
|
|
if (SUCCEEDED(IUnknown_QueryService(_punkSite, SID_CDWizardHost, IID_PPV_ARG(IPropertyBag, &ppb))))
|
||
|
|
{
|
||
|
|
SHPropertyBag_WriteDWORD(ppb, PROPSTR_EXTENSIONCOMPLETIONSTATE, CDBE_RET_DEFAULT);
|
||
|
|
ppb->Release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
INT_PTR CSlideshowExtension::_SlideshowDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
||
|
|
{
|
||
|
|
BOOL fRet = FALSE;
|
||
|
|
switch (uMsg)
|
||
|
|
{
|
||
|
|
case WM_NOTIFY:
|
||
|
|
{
|
||
|
|
LPNMHDR pnmh = (LPNMHDR)lParam;
|
||
|
|
switch (pnmh->code)
|
||
|
|
{
|
||
|
|
case PSN_SETACTIVE:
|
||
|
|
PropSheet_SetWizButtons(pnmh->hwndFrom, PSWIZB_BACK | PSWIZB_NEXT);
|
||
|
|
Button_SetCheck(GetDlgItem(hwnd, IDC_BURNWIZ_BURNPICTURE), _fSelectPictures ? BST_CHECKED : BST_UNCHECKED);
|
||
|
|
Button_SetCheck(GetDlgItem(hwnd, IDC_BURNWIZ_BURNDATA), _fSelectPictures ? BST_UNCHECKED : BST_CHECKED);
|
||
|
|
fRet = TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case PSN_WIZBACK:
|
||
|
|
if (_punkSite)
|
||
|
|
{
|
||
|
|
IWizardSite *pws;
|
||
|
|
if (SUCCEEDED(_punkSite->QueryInterface(IID_PPV_ARG(IWizardSite, &pws))))
|
||
|
|
{
|
||
|
|
HPROPSHEETPAGE hpage;
|
||
|
|
if (SUCCEEDED(pws->GetPreviousPage(&hpage)))
|
||
|
|
{
|
||
|
|
PropSheet_SetCurSel(GetParent(hwnd), hpage, -1);
|
||
|
|
SetWindowLongPtr(hwnd, DWLP_MSGRESULT, (LPARAM)-1);
|
||
|
|
}
|
||
|
|
pws->Release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
fRet = TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case PSN_WIZNEXT:
|
||
|
|
if (IsDlgButtonChecked(hwnd, IDC_BURNWIZ_BURNPICTURE) == BST_CHECKED)
|
||
|
|
{
|
||
|
|
IDataObject *pdo;
|
||
|
|
if (SUCCEEDED(_CreateDataObject(&pdo)))
|
||
|
|
{
|
||
|
|
POINTL pt = {0};
|
||
|
|
if (SUCCEEDED(Drop(pdo, 0, pt, NULL)))
|
||
|
|
{
|
||
|
|
_SetCompletionState();
|
||
|
|
}
|
||
|
|
pdo->Release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (_punkSite)
|
||
|
|
{
|
||
|
|
IWizardSite *pws;
|
||
|
|
if (SUCCEEDED(_punkSite->QueryInterface(IID_PPV_ARG(IWizardSite, &pws))))
|
||
|
|
{
|
||
|
|
HPROPSHEETPAGE hpage;
|
||
|
|
if (SUCCEEDED(pws->GetNextPage(&hpage)))
|
||
|
|
{
|
||
|
|
PropSheet_SetCurSel(GetParent(hwnd), hpage, -1);
|
||
|
|
SetWindowLongPtr(hwnd, DWLP_MSGRESULT, (LPARAM)-1);
|
||
|
|
}
|
||
|
|
pws->Release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
fRet = TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case PSN_KILLACTIVE:
|
||
|
|
_fSelectPictures = (IsDlgButtonChecked(hwnd, IDC_BURNWIZ_BURNPICTURE) == BST_CHECKED);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return fRet;
|
||
|
|
}
|