采用VC编写的串口通信程序

				// TR.cpp : Defines the class behaviors for the application.
				//
				
				#include "stdafx.h"
				#include "TR.h"
				#include "TRDlg.h"
				
				#ifdef _DEBUG
				#define new DEBUG_NEW
				#undef THIS_FILE
				static char THIS_FILE[] = __FILE__;
				#endif
				
				/////////////////////////////////////////////////////////////////////////////
				// CTRApp
				
				BEGIN_MESSAGE_MAP(CTRApp, CWinApp)
					//{{AFX_MSG_MAP(CTRApp)
						// NOTE - the ClassWizard will add and remove mapping macros here.
						//    DO NOT EDIT what you see in these blocks of generated code!
					//}}AFX_MSG
					ON_COMMAND(ID_HELP, CWinApp::OnHelp)
				END_MESSAGE_MAP()
				
				/////////////////////////////////////////////////////////////////////////////
				// CTRApp construction
				
				CTRApp::CTRApp()
				{
					// TODO: add construction code here,
					// Place all significant initialization in InitInstance
				}
				
				/////////////////////////////////////////////////////////////////////////////
				// The one and only CTRApp object
				
				CTRApp theApp;
				
				/////////////////////////////////////////////////////////////////////////////
				// CTRApp initialization
				
				BOOL CTRApp::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.
				
					CTRDlg dlg;
					m_pMainWnd = &dlg;
					int nResponse = dlg.DoModal();
					if (nResponse == IDOK)
					{
						// TODO: Place code here to handle when the dialog is
						//  dismissed with OK
					}
					else if (nResponse == IDCANCEL)
					{
						// TODO: Place code here to handle when the dialog is
						//  dismissed with Cancel
					}
				
					// Since the dialog has been closed, return FALSE so that we exit the
					//  application, rather than start the application's message pump.
					return FALSE;
				}