MFC程序最小化到系统托盘

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1.声明一个NOTIFYICONDATA类：

.codearea{ color:black; background-color:white; line-height:18px; border:1px solid #4f81bd; margin:0; width:auto !important; width:100%; overflow:auto; text-align:left; font-size:12px; font-family: "Courier New","Consolas","Fixedsys","BitStream Vera Sans Mono", courier,monospace,serif}.codearea pre{ color:black; line-height:18px; padding:0 0 0 12px !important; margin:0em; background-color:#fff !important}.linewrap pre{white-space:pre-wrap; white-space:-moz-pre-wrap; white-space:-pre-wrap; white-space:-o-pre-wrap; word-wrap:break-word; word-break:normal}.codearea pre.alt{ background-color:#f7f7ff !important}.codearea .lnum{color:#4f81bd;line-height:18px}

NOTIFYICONDATA NotifyIcon;

2.声明一个函数，用于响应鼠标操作：

afx_msg LRESULT OnNotifyIcon(WPARAM wParam,LPARAM IParam);

该函数定义代码：

LRESULT CtestDlg::OnNotifyIcon(WPARAM wParam,LPARAM IParam)

{   //如果鼠标左键托盘单击图标，则显示MFC程序

    if (IParam == WM_LBUTTONDOWN)

         ModifyStyleEx(0,WS_EX_TOPMOST);

         ShowWindow(SW_SHOW);                            //显示MFC程序

         Shell_NotifyIcon(NIM_DELETE, &NotifyIcon);      //删除系统托盘图标

    }else if(IParam == WM_RBUTTONDOWN)                   //鼠标右键单击托盘图标，则显示一个菜单

        CMenu menu;

        menu.LoadMenu (IDR_MENU1);                       //加载菜单资源

        CMenu* pContextMenu = menu.GetSubMenu (0);       //取得指向menu菜单索引为0的子菜单的指针

        POINT point;

        GetCursorPos(&point);                            //取得鼠标坐标

  //显示菜单

        pContextMenu->TrackPopupMenu (TPM_LEFTALIGN | TPM_LEFTBUTTON |

            TPM_RIGHTBUTTON, point.x, point.y, AfxGetMainWnd ());

    return LRESULT(0);

记得要定义一个菜单资源IDR_MENU1！

3.定义消息名称和消息号：

#define WM_NOTIFYICON (WM_USER+1001)

ON_MESSAGE(WM_NOTIFYICON,OnNotifyIcon)

4.在要将MFC程序最小化到系统托盘的函数中添加以下代码：

NotifyIcon.cbSize=sizeof(NOTIFYICONDATA);

NotifyIcon.hIcon=AfxGetApp()->LoadIcon(IDR_ICON1);      //加载图标，IDR_ICON1是图标资源的ID

NotifyIcon.hWnd=m_hWnd;

lstrcpy(NotifyIcon.szTip,_T("Test"));

NotifyIcon.uCallbackMessage=WM_NOTIFYICON;

NotifyIcon.uFlags=NIF_ICON | NIF_MESSAGE | NIF_TIP;

Shell_NotifyIcon(NIM_ADD,&NotifyIcon);                  //显示托盘图标

//隐藏MFC程序窗体

ShowWindow(SW_HIDE);