C / C++ / MFC

CString CCommands::GetWorkspacePath()
{
	CWinApp* pApp = AfxGetApp();
	ASSERT(NULL != pApp);
	
	CString szWorkspace(_T(""));

	POSITION posdt = pApp->GetFirstDocTemplatePosition();
	
	while (NULL != posdt)
	{
		CDocTemplate* pdt = pApp->GetNextDocTemplate(posdt);
		if (0 == strcmp("CProjectWorkspaceDocTemplate", 
			pdt->GetRuntimeClass()->m_lpszClassName))
		{
			POSITION posdoc = pdt->GetFirstDocPosition();
			if (NULL == posdoc) 
				break;

			CDocument* pdoc = pdt->GetNextDoc(posdoc);
			if (NULL == pdoc) 
				break;

			szWorkspace = pdoc->GetPathName();
			if (!szWorkspace.IsEmpty()) 
				break;
		}
	}

	return szWorkspace;
}

POSITION posdt = pApp->GetFirstDocTemplatePosition();

//Open a binary file called: "somefile.ext"
CFile MyFile;         // file variable
unsigned char nByte;  // binary buffer

if( MyFile.Open(TEXT("somefile.txt"), CFile::modeRead | CFile::shareDenyNone | CFile::typeBinary) )
{
  // read data and print to output
  while(MyFile.Read(&nByte,1))
    std::cout<<nByte<<std::endl;

  MyFile.Close();
}