Using a Doc/View exported from a dynamically loaded DLL (SDI)

// SdiDllFramesDoc.cpp : implementation of the CSdiDllFramesDoc class
//

#include "stdafx.h"
#include "SdiDllFrames.h"

#include "SdiDllFramesDoc.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CSdiDllFramesDoc

IMPLEMENT_DYNCREATE(CSdiDllFramesDoc, CDocument)

BEGIN_MESSAGE_MAP(CSdiDllFramesDoc, CDocument)
	//{{AFX_MSG_MAP(CSdiDllFramesDoc)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSdiDllFramesDoc construction/destruction

CSdiDllFramesDoc::CSdiDllFramesDoc()
{
	// TODO: add one-time construction code here

}

CSdiDllFramesDoc::~CSdiDllFramesDoc()
{
}

BOOL CSdiDllFramesDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)

	return TRUE;
}



BOOL CSdiDllFramesDoc::SwitchToView(CRuntimeClass* pNewViewClass)
{
   CFrameWnd* pMainWnd = (CFrameWnd*)AfxGetMainWnd();
   CView* pOldActiveView = pMainWnd->GetActiveView();

   // If we're already displaying this kind of view, no need to go further.
   if (pOldActiveView->IsKindOf(pNewViewClass))
      return TRUE;
	
   // Set the child window ID of the active view to AFX_IDW_PANE_FIRST.
   // This is necessary so that CFrameWnd::RecalcLayout will allocate
   // this "first pane" to that portion of the frame window's client
   // area not allocated to control bars.  Set the child ID of
   // the previously active view to some other ID.
   ::SetWindowLong(pOldActiveView->m_hWnd, GWL_ID, 0);

   // create the new view
   CCreateContext context;
   context.m_pNewViewClass = pNewViewClass;
   context.m_pCurrentDoc = this;
   CView* pNewView = STATIC_DOWNCAST(CView, pMainWnd->CreateView(&context));
   if (pNewView != NULL)
   {
      // the new view is there, but invisible and not active...
      pNewView->ShowWindow(SW_SHOW);
      pNewView->OnInitialUpdate();
      pMainWnd->SetActiveView(pNewView);
      pMainWnd->RecalcLayout();

      // destroy the old view...
      pOldActiveView->DestroyWindow();
      return TRUE;
   }

   return FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// CSdiDllFramesDoc serialization

void CSdiDllFramesDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CSdiDllFramesDoc diagnostics

#ifdef _DEBUG
void CSdiDllFramesDoc::AssertValid() const
{
	CDocument::AssertValid();
}

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

/////////////////////////////////////////////////////////////////////////////
// CSdiDllFramesDoc commands