// TrayIcon.h
// CTrayIcon command target

class CTrayIcon : public CCmdTarget
{
public:
NOTIFYICONDATA m_nid;//NOTIFYICONDATA结构，你的图标要用的啊
BOOL m_IconExist;//标志，看看图标是不是已经存在了
CWnd* m_NotificationWnd;//接受回调消息的窗口,有它就不必经常AfxGetMainWnd了
public:
CWnd* GetNotificationWnd() const;//得到m_NotificationWnd
BOOL SetNotificationWnd(CWnd* pNotifyWnd);//设置(更改)m_NotificationWnd
CTrayIcon();//构造函数
virtual ~CTrayIcon();//析构函数
BOOL CreateIcon(CWnd* pNotifyWnd, UINT uID, HICON hIcon,
LPSTR lpszTip, UINT CallBackMessage);//在任务栏上生成图标
BOOL DeleteIcon();//删除任务栏上的图标
virtual LRESULT OnNotify(WPARAM WParam, LPARAM LParam);//消息响应函数
BOOL SetTipText(UINT nID);//设置(更改)提示字串
BOOL SetTipText(LPCTSTR lpszTip);//设置(更改)提示字串
BOOL ChangeIcon(HICON hIcon);//更改图标
BOOL ChangeIcon(UINT nID);//更改图标
BOOL ChangeIcon(LPCTSTR lpszIconName);//更改图标
BOOL ChangeStandardIcon(LPCTSTR lpszIconName);//更改为标准图标
......
};

// TrayIcon.cpp
// CTrayIcon

CTrayIcon::CTrayIcon()
{//初始化参数
m_IconExist = FALSE;
m_NotificationWnd = NULL;
memset(&m_nid, 0, sizeof(m_nid));
m_nid.cbSize = sizeof(m_nid);//这个参数不会改变
}

CTrayIcon::~CTrayIcon()
{
if (m_IconExist)
DeleteIcon();//删除图标
}

BOOL CTrayIcon::CreateIcon(CWnd* pNotifyWnd, UINT uID, HICON hIcon,
LPSTR lpszTip, UINT CallBackMessage)
{
//确定接受回调消息的窗口是有效的
ASSERT(pNotifyWnd && ::IsWindow(pNotifyWnd->GetSafeHwnd()));

ASSERT(CallBackMessage >= WM_USER);//确定回调消息不发生冲突

ASSERT(_tcslen(lpszTip) <= 64);//提示字串不能超过64个字符

m_NotificationWnd = pNotifyWnd;//获得m_NotificationWnd

//设置NOTIFYICONDATA结构
m_nid.hWnd = pNotifyWnd->GetSafeHwnd();
m_nid.uID = uID;
m_nid.hIcon = hIcon;
m_nid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
m_nid.uCallbackMessage = CallBackMessage;

//设置NOTIFYICONDATA结构的提示字串
if (lpszTip)
lstrcpyn(m_nid.szTip, lpszTip, sizeof(m_nid.szTip));
else
m_nid.szTip[0] = '\0';

//显示图标
m_IconExist = Shell_NotifyIcon(NIM_ADD, &m_nid);
return m_IconExist;
}

BOOL CTrayIcon::DeleteIcon()
{//删除图标
if (!m_IconExist)
return FALSE;
m_IconExist = FALSE;
return Shell_NotifyIcon(NIM_DELETE, &m_nid);
}

LRESULT CTrayIcon::OnNotify(WPARAM WParam, LPARAM LParam)
{//处理图标返回的消息
if (WParam != m_nid.uID)//如果不是该图标的消息则迅速返回
return 0L;

//准备快捷菜单
CMenu menu;
if (!menu.LoadMenu(IDR_POPUP))//你必须确定资源中有ID为IDR_POPUP的菜单
return 0;
CMenu* pSubMenu = menu.GetSubMenu(0);//获得IDR_POPUP的子菜单
if (!pSubMenu)
return 0;

if (LParam == WM_RBUTTONUP)
{//右键单击弹出快捷菜单

//设置第一个菜单项为缺省
::SetMenuDefaultItem(pSubMenu->m_hMenu, 0, TRUE);
CPoint pos;
GetCursorPos(&pos);

//显示并跟踪菜单
m_NotificationWnd->SetForegroundWindow();
pSubMenu->TrackPopupMenu(TPM_RIGHTALIGN|TPM_LEFTBUTTON
|TPM_RIGHTBUTTON, pos.x, pos.y, m_NotificationWnd, NULL);
}
else if (LParam == WM_LBUTTONDOWN)
{//左键单击恢复窗口
m_NotificationWnd->ShowWindow(SW_SHOW);//恢复窗口
m_NotificationWnd->SetForegroundWindow();//放置在前面
}
else if (LParam == WM_LBUTTONDBLCLK)
{//左键双击执行缺省菜单项
m_NotificationWnd->SendMessage(WM_COMMAND,
pSubMenu->GetMenuItemID(0), 0);
}
return 1L;
}

BOOL CTrayIcon::SetTipText(LPCTSTR lpszTip)
{//设置提示文字
if (!m_IconExist)
return FALSE;

_tcscpy(m_nid.szTip, lpszTip);
m_nid.uFlags |= NIF_TIP;

return Shell_NotifyIcon(NIM_MODIFY, &m_nid);
}

BOOL CTrayIcon::SetTipText(UINT nID)
{//设置提示文字
　CString szTip;
　VERIFY(szTip.LoadString(nID));

　return SetTipText(szTip);
}
BOOL CTrayIcon::ChangeIcon(HICON hIcon)
{//更改图标
if (!m_IconExist)
return FALSE;

m_nid.hIcon = hIcon;
m_nid.uFlags |= NIF_ICON;

return Shell_NotifyIcon(NIM_MODIFY, &m_nid);
}

BOOL CTrayIcon::ChangeIcon(UINT nID)
{//更改图标
　HICON hIcon = AfxGetApp()->LoadIcon(nID);
　return ChangeIcon(hIcon);
}

BOOL CTrayIcon::ChangeIcon(LPCTSTR lpszIconName)
{//更改图标
　HICON hIcon = AfxGetApp()->LoadIcon(lpszIconName);
　return ChangeIcon(hIcon);
}

BOOL CTrayIcon::ChangeStandardIcon(LPCTSTR lpszIconName)
{//更改为标准图标
　HICON hIcon = AfxGetApp()->LoadStandardIcon(lpszIconName);
　return ChangeIcon(hIcon);
}

BOOL CTrayIcon::SetNotificationWnd(CWnd * pNotifyWnd)
{//设置接受回调消息的窗口
　if (!m_IconExist)
　　return FALSE;

　//确定窗口是有效的
　ASSERT(pNotifyWnd && ::IsWindow(pNotifyWnd->GetSafeHwnd()));

　m_NotificationWnd = pNotifyWnd;
　m_nid.hWnd = pNotifyWnd->GetSafeHwnd();
　m_nid.uFlags |= NIF_MESSAGE;

　return Shell_NotifyIcon(NIM_MODIFY, &m_nid);
}

CWnd* CTrayIcon::GetNotificationWnd() const
{//返回接受回调消息的窗口
　return m_NotificationWnd;
}

BOOL CTrayIcon::SetAnimateIcons(HICON* hIcon, UINT Number)
{//设置动画图标
　ASSERT(Number >= 2);//图标必须为两个以上
　ASSERT(hIcon);//图标必须不为空

　m_AnimateIcons = new HICON[Number];
　CopyMemory(m_AnimateIcons, hIcon, Number * sizeof(HICON));
　m_AnimateIconsNumber = Number;
　return TRUE;
}

BOOL CTrayIcon::Animate(UINT Index)
{//动画TrayIcon
　UINT i = Index % m_AnimateIconsNumber;
　return ChangeIcon(m_AnimateIcons[i]);
}

void CMainFrame::OnMenuAnimate()
{//动画TrayIcon,设置图标及定时器
　SetTimer(1, 500, NULL);
　HICON hIcon[3];
　hIcon[0] = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
　hIcon[1] = AfxGetApp()->LoadIcon(IDR_MYTURNTYPE);
　hIcon[2] = AfxGetApp()->LoadStandardIcon(IDI_HAND);
　trayicon.SetAnimateIcons(hIcon, 3);
}

void CMainFrame::OnTimer(UINT nIDEvent)
{//动画TrayIcon
　UINT static i;
　i += 1;
　trayicon.Animate(i);

　CMDIFrameWnd::OnTimer(nIDEvent);
}