viewer.cpp

来自「经验交流,从网上下载的好东西望大家分享」· C++ 代码 · 共 41 行

#include <windows.h>
#include <iostream.h>

void main(int argc, char** argv)
{
	CoInitialize(NULL);

	IStorage* pStorage;
	HRESULT hr = StgOpenStorage(L"C:\\TestFile.STG", NULL, STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, NULL, &pStorage);
	if(FAILED(hr))
	{
		cout << "StgOpenStream failed: Run PropertyStreams first" << endl;
		exit(0);
	}

	IEnumSTATSTG* pEnumerator;
	pStorage->EnumElements(NULL, NULL, NULL, &pEnumerator);

	STATSTG myStat;
	ULONG how_many;
	while(true)
	{
		pEnumerator->Next(1, &myStat, &how_many);
		if(how_many == 0)
			break;

		char buffer[255];
		WideCharToMultiByte(CP_ACP, 0, myStat.pwcsName, -1, buffer, 255, NULL, NULL);
		switch(myStat.type)
		{
		case STGTY_STORAGE:
			cout << buffer << " is a " << "storage" << endl;
		case STGTY_STREAM:
			cout << buffer << " is a " << "stream" << endl;
		}
	}

	pEnumerator->Release();
	pStorage->Release();
	CoUninitialize();
}