【VC开源代码栏目提醒】:网学会员--在 VC开源代码编辑为广大网友搜集整理了:ApiCommDlg.cpp绩等信息,祝愿广大网友取得需要的信息,参考学习。
// ApiCommDlg.cpp : implementation file
//
#include "stdafx.h"
#include "ApiComm.h"
#include "ApiCommDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CApiCommDlg dialog
CApiCommDlg::CApiCommDlg(CWnd* pParent /*=NULL*/)
: CDialog(CApiCommDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CApiCommDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CApiCommDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CApiCommDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CApiCommDlg, CDialog)
//{{AFX_MSG_MAP(CApiCommDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON2, OnSend)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CApiCommDlg message handlers
BOOL CApiCommDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
m_hCom=CreateFile("COM2", GENERIC_READ|GENERIC_WRITE, 0, NULL ,OPEN_EXISTING, 0,NULL);
if (m_hCom==INVALID_HANDLE_VALUE)
{
AfxMessageBox("fail");
return false;
}
else
{
DCB dcb;
GetCommState(m_hCom,&dcb);
dcb.BaudRate=9600;
dcb.ByteSize = 8;
dcb.Parity=NOPARITY;
dcb.StopBits=ONESTOPBIT;
dcb.fOutxCtsFlow = 0;
dcb.fRtsControl = RTS_CONTROL_ENABLE ;
SetCommState(m_hCom,&dcb);
// PurgeComm(m_hCom,PURGE_TXCLEAR);/////清空缓冲区
}
// SetupComm(m_hCom,4096,4096);////不要也可以
// SetCommMask(m_hCom, EV_RXCHAR| EV_TXEMPTY);
return TRUE; // return TRUE unless you set the focus to a control
}
void CApiCommDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CApiCommDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CApiCommDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CApiCommDlg::OnSend()
{
// TODO: Add your control notification handler code here
DWORD length;
CString strTemp;
strTemp="1234"; //长度为4的字符串,所以下面一行中的长度为4
WriteFile(m_hCom,strTemp,4,&length,NULL);
//为重叠写创建事件对象,手工重置,初始化为无信号的
//如果初始化时设置为重叠读写,用下面代码
//if((m_osWrite.hEvent=CreateEvent(NULL, TRUE, FALSE, NULL))==NULL)
// return FALSE;
//WriteFile(m_hCom,"a",1,&length,&m_osWrite);
}
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