Create window

Hello! I'm kind of new using MFC. I have a Doc/View App (SDI) and I want to (thru a menu) create a new view of the document on a separate window (not like an MDI). How can I do that?
Hope you can help me!

Hey! Reading a little bit about it on the internet, I came across this code.

CMainFrame* pFrame = new CMainFrame;
CCreateContext contexto;
contexto.m_pCurrentDoc = this;
contexto.m_pCurrentFrame = pFrame;
contexto.m_pLastView = NULL;
contexto.m_pNewDocTemplate = NULL;
contexto.m_pNewViewClass =RUNTIME_CLASS(CFuncionesView);
pFrame->LoadFrame(IDR_MAINFRAME, WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, NULL, &contexto); //AfxGetMainWnd()->GetActiveWindow(),
pFrame->ShowWindow(SW_NORMAL);