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

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "[!output PROJECT_NAME].h"

#include "MainFrm.h"
#include "MainFrameDoc.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CMainFrame

IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
	ON_WM_CLOSE()
	ON_WM_CREATE()
	ON_WM_ACTIVATE()
	ON_WM_DESTROY()
	ON_MESSAGE_VOID(WM_IDLEUPDATECMDUI, OnIdleUpdateCmdUI)
	ON_MESSAGE(WM_OPENDOCUMENT,OnOpenDocument)
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};


// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here 
}

CMainFrame::~CMainFrame()
{
	POSITION pos;
	CString key;
	CObject* pManagedObj;

	// Iterate through the entire map
	for( pos = theApp.m_PrjItemDictionary.GetStartPosition(); pos != NULL; )
	{
		theApp.m_PrjItemDictionary.GetNextAssoc( pos, key, (CObject*&)pManagedObj );
		delete pManagedObj;
	}
	theApp.m_PrjItemDictionary.RemoveAll();
	TerminateExtLib();
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CMDIFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}
	// TODO: Delete these three lines if you don't want the toolbar to be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	theApp.m_pAppObj->OnCreate();
	theApp.m_pAppObj->Fire_StartUp();

	g_pDotNetExtImpl->m_pMainFrame = this;
	g_pDotNetExtImpl->m_bCreateClient = true;
	g_pDotNetExtImpl->OnCreate(RUNTIME_CLASS(CClientFrameWnd),RUNTIME_CLASS(CMainFrameDoc),::LoadBitmap(theApp.m_hInstance,_T("Background")));
	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CMDIFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}


// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CMDIFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CMDIFrameWnd::Dump(dc);
}

#endif //_DEBUG


// CMainFrame message handlers

void CMainFrame::OnClose() 
{
	if(g_pDotNetExtImpl->m_pApp->SaveAllModified())
	{
		theApp.m_pAppObj->Fire_AppClose();
		theApp.m_pAppObj->OnClose();
		g_pDotNetExtImpl->OnClose();
		g_pDotNetExtImpl->m_pApp->CloseAllDocuments(FALSE);
		CMDIFrameWnd::OnClose();
	}
}

void CMainFrame::OnIdleUpdateCmdUI()
{
	CMDIFrameWnd::OnIdleUpdateCmdUI();
	g_pDotNetExtImpl->OnIdleUpdateCmdUI();
}

long CMainFrame::OnOpenDocument(WPARAM wParam, LPARAM lParam)
{
	CWnd* pDeskWnd = CWnd::GetDesktopWindow();
	CString strDocFile = _T("");
	pDeskWnd->GetWindowText(strDocFile);
	pDeskWnd->SetWindowText(_T(""));
	g_pDotNetExtImpl->OpenDocumentFile(LPCTSTR(strDocFile));
	return (long)0;
}