92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
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#include "pch.h"
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#include <stdio.h>
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void FillPropSet(IPersistFile *pfile, char *filename)
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{
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WCHAR wszbuffer[MAX_PATH];
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WIN32_FIND_DATAA findinfo;
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HANDLE hFile = FindFirstFileA(filename, &findinfo);
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if (hFile != INVALID_HANDLE_VALUE)
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{
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MultiByteToWideChar(CP_ACP, 0, findinfo.cFileName, -1, wszbuffer, MAX_PATH);
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pfile->Load(wszbuffer, STGM_READ);
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FindClose(hFile);
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}
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}
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void PlayWithPropertySetStorage(IPropertySetStorage *ppss)
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{
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IEnumSTATPROPSETSTG *penum;
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char buffer[MAX_PATH];
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if (SUCCEEDED(ppss->Enum(&penum)))
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{
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STATPROPSETSTG statpss;
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IPropertyStorage *pps;
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int i=0;
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while (penum->Next(1, &statpss, NULL) == S_OK)
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{
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printf("Property Storage %i:\n", ++i);
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if (SUCCEEDED(ppss->Open(statpss.fmtid,
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STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, &pps)))
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{
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PROPSPEC spec;
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PROPVARIANT pvar;
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STATPROPSTG statps;
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IEnumSTATPROPSTG *penumprop;
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if (SUCCEEDED(pps->Enum(&penumprop)))
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{
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while (penumprop->Next(1, &statps, NULL)== S_OK)
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{
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spec.lpwstr = statps.lpwstrName;
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spec.propid = statps.propid;
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spec.ulKind = PRSPEC_PROPID;
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if (pps->ReadMultiple(1, &spec, &pvar) == S_OK)
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{
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if (spec.ulKind == PRSPEC_LPWSTR)
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WideCharToMultiByte(CP_ACP, 0, spec.lpwstr, -1, buffer, MAX_PATH, NULL, NULL);
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else
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buffer[0] = 0;
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printf(" prop %i (%s) = \"??\"\n", spec.propid, buffer);
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}
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}//While
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penumprop->Release();
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}
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pps->Release();
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}//While
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}
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penum->Release();
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}
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}
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EXTERN_C int __cdecl main(int argc, char **argv)
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{
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if (SUCCEEDED(CoInitialize(0)))
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{
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HRESULT hr;
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IPropertySetStorage *ppss;
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hr = CoCreateInstance(CLSID_MediaProperties, 0, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IPropertySetStorage, &ppss));
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if (SUCCEEDED(hr))
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{
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printf(("CoCreated the Storage\n"));
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if(argc>1)
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{
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IPersistFile *pfile;
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if (SUCCEEDED(ppss->QueryInterface(IID_PPV_ARG(IPersistFile, &pfile))))
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{
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FillPropSet(pfile, argv[1]);
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pfile->Release();
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}
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}
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PlayWithPropertySetStorage(ppss);
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ppss->Release();
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}
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else
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printf(("Failed to CoCreate the Storage: hr = %8x\n"), hr);
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CoUninitialize();
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}
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return 0;
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}
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