79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
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#define STRICT
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#define UNICODE
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#include <windows.h>
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#include <shlwapi.h>
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#include <shellapi.h>
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#include <stdio.h>
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#define IID_PPV_ARG(IType, ppType) IID_##IType, reinterpret_cast<void**>(static_cast<IType**>(ppType))
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HRESULT CoUnmarshalFromCmdLine(LPCTSTR pszCmdLine, REFIID riid, void **ppv)
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{
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HRESULT hr = E_FAIL;
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*ppv = NULL;
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pszCmdLine = StrStr(pszCmdLine, TEXT("/DataObject:"));
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if (pszCmdLine)
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{
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pszCmdLine += lstrlen(TEXT("/DataObject:"));
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char buf[255]; // big enough for standard marshall buffer (which is 68 bytes)
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for (ULONG cb = 0; *pszCmdLine && (cb < sizeof(buf)); cb++)
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{
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buf[cb] = (*pszCmdLine - 'A') + ((*(pszCmdLine + 1) - 'A') << 4);
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if (*(pszCmdLine + 1))
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pszCmdLine += 2;
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else
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break; // odd # of chars in cmd line, error
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}
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// _asm { int 3 };
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if (cb < sizeof(buf))
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{
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IStream *pstm;
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hr = CreateStreamOnHGlobal(NULL, TRUE, &pstm);
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if (SUCCEEDED(hr))
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{
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// fill the marshall stream
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const LARGE_INTEGER li = {0, 0};
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pstm->Write(buf, cb, NULL);
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// move back to start of stream
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pstm->Seek(li, STREAM_SEEK_SET, NULL);
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hr = CoUnmarshalInterface(pstm, riid, ppv);
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pstm->Release();
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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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void __cdecl main(void)
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{
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CoInitializeEx(NULL, COINIT_MULTITHREADED | COINIT_DISABLE_OLE1DDE);
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IDataObject *pdtobj;
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if (SUCCEEDED(CoUnmarshalFromCmdLine(GetCommandLine(), IID_PPV_ARG(IDataObject, &pdtobj))))
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{
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FORMATETC fmte = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
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STGMEDIUM medium;
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if (SUCCEEDED(pdtobj->GetData(&fmte, &medium)))
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{
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TCHAR szPath[MAX_PATH];
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for (int i = 0; DragQueryFile((HDROP)medium.hGlobal, i, szPath, MAX_PATH); i++)
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{
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MessageBox(NULL, szPath, TEXT("File Name"), MB_OK);
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}
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ReleaseStgMedium(&medium);
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}
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pdtobj->Release();
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}
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CoUninitialize();
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}
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