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

#pragma once
#using <mscorlib.dll>
using namespace System;
using namespace System::Reflection;
using namespace System::Windows::Forms;

class CUserCtrlView : public CView
{
	DECLARE_DYNCREATE(CUserCtrlView)
protected:
	CUserCtrlView();           // protected constructor used by dynamic creation
	virtual ~CUserCtrlView();

	CString m_strWinCtrlID;
	BOOL	m_bDotNetView;
public:
    gcroot< Object* >	m_pWinFormControl;

	class  CWFControlWrapper : public CWnd
	{
		public:
			CWFControlWrapper();
			virtual ~CWFControlWrapper(void); 

			IUnknown * pUnkControl ;
			IUnknown * GetManagedControl() { return pUnkControl; }
			void  SetControlSite(COleControlSite * pSite) { m_pCtrlSite = pSite; }
	};

	virtual void OnDraw(CDC* pDC);      // overridden to draw this view
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif
protected:
	virtual BOOL PreTranslateMessage(MSG* pMsg);
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
public:
	virtual void OnInitialUpdate();
protected:
	afx_msg int OnMouseActivate(CWnd* pDesktopWnd, UINT nHitTest, UINT message);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	DECLARE_MESSAGE_MAP()
private:
	CWFControlWrapper m_Control;
	virtual BOOL CreateControlSite( COleControlContainer*, COleControlSite** ppSite, UINT nID, REFCLSID clsid );
public:
	IUnknown * GetUnk() { return m_Control.pUnkControl; }
	IDispatch* GetDispatch();
};