这是个有关三维地形显示的例子

				#include "stdafx.h"
				#include "MyTemplate.h"
				
				#include "mainfrm.h"
				#include "MyTemplatedoc.h"
				#include "renderview.h"
				#include "dlgabout.h"
				
				#ifdef _DEBUG
				#undef THIS_FILE
				static char BASED_CODE THIS_FILE[] = __FILE__;
				#endif
				
				/////////////////////////////////////////////////////////////////////////////
				// CMyTemplateApp
				BEGIN_MESSAGE_MAP(CMyTemplateApp, CWinApp)
					//{{AFX_MSG_MAP(CMyTemplateApp)
					ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
						// 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
					// Standard file based document commands
					ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
				END_MESSAGE_MAP()
				
				/////////////////////////////////////////////////////////////////////////////
				// CMyTemplateApp construction
				
				CMyTemplateApp::CMyTemplateApp()
				{
					// TODO: add construction code here,
					// Place all significant initialization in InitInstance
				}
				
				// The one and only CMyTemplateApp object
				CMyTemplateApp theApp;
				
				// CMyTemplateApp initialization
				BOOL CMyTemplateApp::InitInstance()
				{
					// Standard initialization
					// If you are not using these features and wish to reduce the size
					//  of your final executable, you should remove from the following
					//  the specific initialization routines you do not need.
				
					Enable3dControls();
				
					LoadStdProfileSettings();  // Load standard INI file options (including MRU)
				
					// Register the application's document templates.  Document templates
					//  serve as the connection between documents, frame windows and views.
					CSingleDocTemplate* pDocTemplate;
					pDocTemplate = new CSingleDocTemplate(
						IDR_MAINFRAME,
						RUNTIME_CLASS(CMyTemplateDoc),
						RUNTIME_CLASS(CMainFrame),          // standard SDI frame
						RUNTIME_CLASS(CRenderView));
					AddDocTemplate(pDocTemplate);
				
					CMainFrame* pMainFrame = new CMainFrame;
					if (!pMainFrame->LoadFrame(IDR_MAINFRAME))
						return FALSE;
					m_pMainWnd = pMainFrame;
				
					// The main window has been initialized, so show and update it.	
					m_pMainWnd->ShowWindow(SW_SHOWMAXIMIZED);
					m_pMainWnd->UpdateWindow();
					// create a new (empty) document
				//	OnFileNew();
				
					return TRUE;
				}
				
				// App command to run the dialog
				void CMyTemplateApp::OnAppAbout()
				{
					CAboutDlg aboutDlg;
					aboutDlg.DoModal();
				}
				
				// CMyTemplateApp commands
				CDocument* CMyTemplateApp::OpenDocumentFile(LPCTSTR lpszFileName) 
				{
					return NULL;
				}