C / C++ / MFC

VOID Example_GetRegionScansRect(HDC hdc)
{
   Graphics graphics(hdc);
   SolidBrush solidBrush(Color(255, 255, 0, 0));
   Pen pen(Color(255, 0, 0, 0));
   GraphicsPath path;
   Matrix matrix;
   Rect* rects = NULL;
   INT count = 0;  

   // Create a region from a path.
   path.AddEllipse(10, 10, 50, 300);
   Region pathRegion(&path);    
   graphics.FillRegion(&solidBrush, &pathRegion);

   // Get the rectangles.
   graphics.GetTransform(&matrix);
   count = pathRegion.GetRegionScansCount(&matrix);
   rects = (Rect*)malloc(count*sizeof(Rect));
   pathRegion.GetRegionScans(&matrix, rects, &count);  

   // Draw the rectangles.
   for(INT j = 0; j < count; ++j)
      graphics.DrawRectangle(&pen, rects[j]);

   free(rects);
}

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#include <vector>

using namespace std;

class Foo {

private:

	vector<int>& vi;

public:

	Foo (vector<int>& vi_in)
	{
		vi = vi_in;
	}
/*
	Foo (vector<int>& vi_in) : vi (vi_in)
	{
	}
*/
};

int main()
{
	vector<int> vi;
	Foo foo = Foo (vi);


	return 0;
}

BOOL CMyAlbumEditorApp::InitInstance()
{
	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	LoadStdProfileSettings();  // Load standard INI file options (including MRU)

	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.

	CSingleDocTemplate* pDocTemplate;
	pDocTemplate = new CSingleDocTemplate(
		IDR_MAINFRAME,
		RUNTIME_CLASS(CMyAlbumEditorDoc),
		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
		RUNTIME_CLASS(CMyAlbumEditorView));
	AddDocTemplate(pDocTemplate);

	// Enable DDE Execute open
	EnableShellOpen();
	RegisterShellFileTypes(TRUE);

	// Parse command line for standard shell commands, DDE, file open
	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);

	// Dispatch commands specified on the command line
	if (!ProcessShellCommand(cmdInfo))
		return FALSE;
	
	InitViews();
	SetNewView(m_pStartView);
	

	// The one and only window has been initialized, so show and update it.
	m_pMainWnd->ShowWindow(SW_SHOW);
	m_pMainWnd->UpdateWindow();

	// Enable drag/drop open
	//m_pMainWnd->DragAcceptFiles();

	return TRUE;
}

void CMyAlbumEditorApp::InitViews()
{
	m_pNativeView = ((CFrameWnd*)m_pMainWnd)->GetActiveView();
	CDocument* pCurrentDoc = ((CFrameWnd*)m_pMainWnd)->GetActiveDocument();

	CCreateContext newContext;
	UINT viewID;
	CRect rect(0, 0, 0, 0); // Gets resized later.
	
	//////////////////////////////////////////////////////////////////////////
	//the start formview
	m_pStartView = (CView*) new CStartForm;
	newContext.m_pNewDocTemplate = NULL;
	newContext.m_pLastView = NULL;
	newContext.m_pCurrentFrame = NULL;
	newContext.m_pCurrentDoc = pCurrentDoc;
	viewID = AFX_IDW_PANE_FIRST;
	m_pStartView->Create(NULL, "StartFormViewName", WS_CHILD, rect, m_pMainWnd, viewID, &newContext);
	m_pStartView->SendMessage(WM_INITIALUPDATE, 0, 0);

	//////////////////////////////////////////////////////////////////////////
	//the album property formview
	m_pAlbumPropertyView = (CView*) new CAlbumPropertyForm;
	newContext.m_pNewViewClass = NULL;
	newContext.m_pNewDocTemplate = NULL;
	newContext.m_pLastView = NULL;
	newContext.m_pCurrentFrame = NULL;
	newContext.m_pCurrentDoc = pCurrentDoc;
	viewID = AFX_IDW_PANE_FIRST;
	m_pAlbumPropertyView->Create(NULL, "AlbumPropertyFormViewName", WS_CHILD, rect, m_pMainWnd, viewID, &newContext);
	m_pAlbumPropertyView->SendMessage(WM_INITIALUPDATE, 0, 0);

//	//////////////////////////////////////////////////////////////////////////
//	//the editor formview
//	m_pEditorView = (CView*) new ;
//	newContext.m_pNewViewClass = NULL;
//	newContext.m_pNewDocTemplate = NULL;
//	newContext.m_pLastView = NULL;
//	newContext.m_pCurrentFrame = NULL;
//	newContext.m_pCurrentDoc = pCurrentDoc;
//	viewID = AFX_IDW_PANE_FIRST;
//	m_pEditorView->Create(NULL, "EditorFormViewName", WS_CHILD, rect, m_pMainWnd, viewID, &newContext);
//	m_pEditorView->SendMessage(WM_INITIALUPDATE, 0, 0);
}

void CMyAlbumEditorApp::SetNewView(CView *pNV)
{
//	CView* pAV=((CFrameWnd*) m_pMainWnd)->GetActiveView();
	// Exchange view window IDs so RecalcLayout() works.
#ifndef _WIN32
	::SetWindowWord(m_pNativeView->m_hWnd, GWW_ID, ::GetWindowWord(pNV->m_hWnd, GWW_ID));
#else
	::SetWindowLong(m_pNativeView->m_hWnd, GWL_ID, ::GetWindowLong(pNV->m_hWnd, GWL_ID));
#endif
	((CFrameWnd*) m_pMainWnd)->SetActiveView(pNV);
	((CFrameWnd*) m_pMainWnd)->RecalcLayout();
	pNV->ShowWindow(SW_SHOW);
//	pNV->Invalidate();
}