testraydlg.cpp

这个是我们学校用的VC++教案

// testrayDlg.cpp : implementation file
//

#include "stdafx.h"
#include "testray.h"
#include "testrayDlg.h"

#include "HOOK.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)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestrayDlg dialog

CTestrayDlg::CTestrayDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestrayDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestrayDlg)
		// 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);
	m_bCapture=false;
}

void CTestrayDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestrayDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestrayDlg, CDialog)
	//{{AFX_MSG_MAP(CTestrayDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	ON_COMMAND(IDM_ABOUT, OnAbout)
	ON_COMMAND(IDM_EXIT, OnExit)
	ON_BN_CLICKED(IDC_HIDE, OnHide)
	ON_MESSAGE(MYWM_NOTIFYICON,OnMyNotifyIcon)
	ON_COMMAND(IDM_HELP, OnHelp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestrayDlg message handlers

BOOL CTestrayDlg::OnInitDialog()
{
	if(::GlobalFindAtom("unique_testray")==0)
		::GlobalAddAtom("unique_testray");   // 添加程序运行标记
	else
	{
		AfxMessageBox("程序testray已经运行！");
		::ExitProcess(1);		// 退出程序
	}

	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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTestrayDlg::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 CTestrayDlg::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 CTestrayDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

BOOL CTestrayDlg::MyTaskBarAddIcon()
{
	BOOL res;
	HICON hicon;
	
	hicon=LoadIcon(AfxGetApp()->m_hInstance,
		MAKEINTRESOURCE(m_bCapture?IDI_CAPTURE1:IDI_CAPTURE2));
	tnid.cbSize=sizeof(NOTIFYICONDATA);
	tnid.hWnd=m_hWnd;
	tnid.uID=MYICON;
	tnid.uFlags=NIF_MESSAGE|NIF_ICON|NIF_TIP;
	tnid.uCallbackMessage=MYWM_NOTIFYICON;
	tnid.hIcon=hicon;

	lstrcpyn(tnid.szTip,MYTIPX,sizeof(MYTIP));
	res=Shell_NotifyIcon(NIM_ADD,&tnid);
	if (hicon)
		DestroyIcon(hicon);

	return res; 
}

BOOL CTestrayDlg::MyTaskBarChangeIcon()
{
    BOOL res;
	HICON hicon;

	m_bCapture=!m_bCapture;
	hicon=LoadIcon(AfxGetApp()->m_hInstance,
		MAKEINTRESOURCE(m_bCapture?IDI_CAPTURE1:IDI_CAPTURE2));
	tnid.cbSize=sizeof(NOTIFYICONDATA);
	tnid.hWnd=m_hWnd;
	tnid.uID=MYICON;
	tnid.uFlags=NIF_MESSAGE|NIF_ICON|NIF_TIP;
	tnid.uCallbackMessage=MYWM_NOTIFYICON;
	tnid.hIcon=hicon;

	lstrcpyn(tnid.szTip,m_bCapture?MYTIP:MYTIPX,sizeof(MYTIPX));
	res=Shell_NotifyIcon(NIM_MODIFY,&tnid);
	if (hicon)
		DestroyIcon(hicon);
	if(m_bCapture)
		EnableKeyboardCapture();
	else
		DisableKeyboardCapture();

	return res;
}

BOOL CTestrayDlg::MyTaskBarDeleteIcon()
{
	BOOL res;
	tnid.cbSize=sizeof(NOTIFYICONDATA);
	tnid.hWnd=m_hWnd;
	tnid.uID=MYICON;
	res=Shell_NotifyIcon(NIM_DELETE,&tnid);
    return res;
}

void CTestrayDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	// TODO: Add your message handler code here
	MyTaskBarDeleteIcon();   // 退出托盘程序testray时调用
	::GlobalDeleteAtom(::GlobalFindAtom("unique_testray"));	  // 删除程序运行标记
}

void CTestrayDlg::OnAbout() 
{
	// TODO: Add your command handler code here
	ShowWindow(SW_SHOW);
	SetForegroundWindow();
}

void CTestrayDlg::OnExit() 
{
	// TODO: Add your command handler code here
	EndDialog(TRUE);
}

void CTestrayDlg::OnHide() 
{
	// TODO: Add your control notification handler code here
	MyTaskBarAddIcon();
	ShowWindow(SW_HIDE);
}
LRESULT CTestrayDlg::OnMyNotifyIcon(WPARAM wParam,LPARAM lParam)
{
	switch (lParam)
	{
	case WM_LBUTTONDOWN:
		if(wParam==MYICON)
			MyTaskBarChangeIcon();
		break;
	case WM_LBUTTONDBLCLK:
		if(wParam==MYICON)
		{
			ShowWindow(SW_SHOW);
			SetForegroundWindow();
		}
		break;
	case WM_RBUTTONDOWN:
		if(wParam==MYICON)
		{
			CMenu * pt,t;
			CPoint  pp;
			GetCursorPos(&pp);
			t.LoadMenu(IDR_TRAYMENU);
			pt=t.GetSubMenu(0);
			::SetForegroundWindow(tnid.hWnd); // 将浮动菜单的父窗口作为最顶层窗口
			::TrackPopupMenu(pt->m_hMenu, 0, pp.x, pp.y, 0, tnid.hWnd, NULL);
			::PostMessage(tnid.hWnd,WM_NULL,0,0);
			t.DestroyMenu();
         } 
		break;

	default:
		break;
	}
	return 0L;
}


void CTestrayDlg::OnHelp()
{
	// TODO: Add your command handler code here
	MessageBox("截获键盘输入消息，当敲击键盘任意键时，内置扬声器发出Beep声。",
		"键盘钩子",MB_ICONQUESTION);
}