Develop MFC Doc/View Application Which Supports Any Number Document Template

// WinFormsView.cpp : implementation file
//

#include "stdafx.h"
#include "[!output PROJECT_NAME].h"
#include "[!output PROJECT_NAME]Doc.h"
#include "WinFormsView.h"
#include "WFControlSite.h"

// CUserCtrlView
IMPLEMENT_DYNCREATE(CUserCtrlView, CView)

CUserCtrlView::CWFControlWrapper::CWFControlWrapper():pUnkControl(NULL)
{
}

CUserCtrlView::CWFControlWrapper::~CWFControlWrapper(void)
{
    if (NULL != pUnkControl) 
	{
	    pUnkControl->Release();
        pUnkControl = NULL ;
    }
}

CUserCtrlView::CUserCtrlView()
{
	m_bDotNetView = true;
	m_strWinCtrlID = theApp.m_strCreateInfo;
	m_pWinFormControl = NULL;
}

CUserCtrlView::~CUserCtrlView()
{
}

BEGIN_MESSAGE_MAP(CUserCtrlView, CView)
	ON_WM_SIZE()
END_MESSAGE_MAP()


// CUserCtrlView drawing

void CUserCtrlView::OnDraw(CDC* pDC)
{
}

// CUserCtrlView diagnostics

#ifdef _DEBUG
void CUserCtrlView::AssertValid() const
{
	CView::AssertValid();
}

void CUserCtrlView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}
#endif //_DEBUG

BOOL CUserCtrlView::CreateControlSite( COleControlContainer* pContainer
                                    , COleControlSite** ppSite
                                    , UINT nID
                                    , REFCLSID clsid )
{
	if(m_bDotNetView)
	{
		ASSERT( ppSite != NULL );
		*ppSite = new CWFControlSite(GetControlContainer());
		return TRUE;
	}
	else
		return CView::CreateControlSite(pContainer,ppSite,nID,clsid);
}

// CUserCtrlView message handlers

void CUserCtrlView::OnSize(UINT nType, int cx, int cy)
{
	CView::OnSize(nType, cx, cy);
	if ( m_Control.GetManagedControl())
		m_Control.SetWindowPos( NULL, 0, 0, cx, cy, SWP_NOZORDER|SWP_NOMOVE );
}

BOOL CUserCtrlView::PreTranslateMessage(MSG* pMsg)
{
	if(m_bDotNetView)
	{
		ASSERT(pMsg != NULL);
		ASSERT_VALID(this);
		ASSERT(m_hWnd != NULL);

		BOOL bRet = FALSE;
		if(m_Control.pUnkControl != NULL)
		{
			CComQIPtr<IOleInPlaceActiveObject> spInPlace(m_Control.pUnkControl);
			if (spInPlace)
			{
				bRet = (spInPlace->TranslateAccelerator(pMsg) == S_OK) ? TRUE : FALSE;
			}
		}

		// allow tooltip messages to be filtered (skip CFormView)
		if (CView::PreTranslateMessage(pMsg))
			return TRUE;

		// don't translate dialog messages when in Shift+F1 help mode
		CFrameWnd* pFrameWnd = GetTopLevelFrame();
		if (pFrameWnd != NULL && pFrameWnd->m_bHelpMode)
			return FALSE;

		// call all frame windows' PreTranslateMessage first
		pFrameWnd = GetParentFrame();   // start with first parent frame
		while (pFrameWnd != NULL)
		{
			// allow owner & frames to translate
			if (pFrameWnd->PreTranslateMessage(pMsg))
				return TRUE;

			// try parent frames until there are no parent frames
			pFrameWnd = pFrameWnd->GetParentFrame();
		}
		return bRet;
	}
	else
        return CView::PreTranslateMessage(pMsg);
}

BOOL CUserCtrlView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Add your specialized code here and/or call the base class
	cs.lpszClass = AfxRegisterWndClass(0);
	cs.dwExStyle &= ~WS_EX_CLIENTEDGE;
	cs.style|=WS_CLIPSIBLINGS;
	return CView::PreCreateWindow(cs);
}

void CUserCtrlView::OnInitialUpdate()
{
	if(!m_pWinFormControl&&m_strWinCtrlID!=_T(""))
	{
		try
		{
			CRect			clientRect;
			GetClientRect( &clientRect );
			String* pString[] = new String*[1];
			pString[0] = m_strWinCtrlID;
			//get .net control from theApp.m_pManagedCnnObj:
			m_pWinFormControl = theApp.m_pManagedCnnObj->GetType()->GetProperty(S"PrjItem")->GetValue(theApp.m_pManagedCnnObj,pString); 
			m_Control.pUnkControl = reinterpret_cast<IUnknown*>(System::Runtime::InteropServices::Marshal::GetIUnknownForObject(m_pWinFormControl).ToPointer());
			CLSID clsid = { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 } };
			m_Control.CreateControl(clsid, NULL, WS_VISIBLE|WS_CHILD, clientRect, this, 0);
			m_Control.ModifyStyleEx( 0, WS_EX_CONTROLPARENT );
		}
		catch (Exception* exp)
		{
			CString strInfo = exp->Message;
			AfxMessageBox(strInfo);
			return;
		}
	}

	CView::OnInitialUpdate();
}

IDispatch* CUserCtrlView::GetDispatch()
{
	IDispatch* pDisp;
 	HRESULT hr = m_Control.pUnkControl->QueryInterface(IID_IDispatch, (void**) &pDisp);
	return pDisp;
}