public class InnerClass: Form { private Shell_NotifyIconEx servicesClass = null; // 接受主CLASS 的实例句柄 internal InnerClass(Shell_NotifyIconEx _servicesClass) { servicesClass = _servicesClass; } private const int WM_LBUTTONDOWN = 0x0201; // 左键 private const int WM_RBUTTONDOWN = 0x204; // 右键 private const int WM_MBUTTONDOWN = 0x207; // 中键 [DllImport("user32.dll", EntryPoint = "TrackPopupMenu")] private static extern int TrackPopupMenu( // c# 和vb.net 好象没有了随地popup 了，只要请它老人家出马了 IntPtr hMenu, int wFlags, int x, int y, int nReserved, IntPtr hwnd, ref RECT lprc ); [StructLayout(LayoutKind.Sequential)] private struct RECT { // 上面那位用的结构，表示前弹出菜单可用的一个范围大小（一般是全屏幕都让它用，留着搞游戏或视频对话之类的朋友指定菜单可用的范围） internal int Left; internal int Top; internal int Right; internal int Bottom; } protected override void WndProc(ref Message msg) { if (msg.Msg == servicesClass.WM_NOTIFY_TRAY) { // 如果消息相符 if ((int)msg.WParam == servicesClass.uID) { // 并且消息的WParam 相符 MouseButtons mb =MouseButtons.None; if ((int)msg.LParam == WM_LBUTTONDOWN) { //如果点击的是左键 mb =MouseButtons.Left; } else if ((int)msg.LParam == WM_MBUTTONDOWN) { //中键 mb =MouseButtons.Middle; } else if ((int)msg.LParam == WM_RBUTTONDOWN) { //右键 if (servicesClass.contextMenuHwnd != IntPtr.Zero) { //如果有定义过菜单关联 RECT r = new RECT(); r.Left = Screen.PrimaryScreen.WorkingArea.Left; r.Right =Screen.PrimaryScreen.WorkingArea.Right; r.Top =Screen.PrimaryScreen.WorkingArea.Top; r.Bottom =Screen.PrimaryScreen.WorkingArea.Right; TrackPopupMenu( servicesClass.contextMenuHwnd, 2, Cursor.Position.X, Cursor.Position.Y, 0, servicesClass.formHwnd, ref r ); } else { //如果没有定义过菜单关联 mb =MouseButtons.Right; } } if (mb !=MouseButtons.None && servicesClass._delegateOfCallBack != null) { servicesClass._delegateOfCallBack(mb); // 执行回调 return; } } } base.WndProc(ref msg); } }public class Shell_NotifyIconEx { /// <summary> /// ArLi, last fix: 2003.9.12, reference: ArLi.CommonPrj Lib @ http://zpcity.com/arli/ /// </summary> public static readonly System.Version myVersion = new System.Version(1, 2); //版本声明 private readonly InnerClass formTmp = null; // 这个很重要，不能放在构造里，因为它必须和此实例同等生存期才不会被中止消息循环 private readonly IntPtr formTmpHwnd = IntPtr.Zero; // 这是上一行的句柄 private readonly bool VersionOk = false; // 这是一个由VersionPass 返回的属性，它允许开发者检测当前机子的Shell32.dll(可能在win95 或未知平台上版本) 合适此组，不符则用.net 自己的notifyicon private bool forgetDelNotifyBox = false; // 这是一个私有标志，它允许开发者在程序退出时忘记调用DelNotifyBox 来清除图标时会自动在析构里清掉它。 internal IntPtr formHwnd = IntPtr.Zero; // 这是调用此组件的主窗口句柄（当前实例有效，可多个icon 不冲突） internal IntPtr contextMenuHwnd = IntPtr.Zero; // 这是菜单的句柄（当前实例有效，可多个icon 不冲突） internal delegate void delegateOfCallBack(System.Windows.Forms.MouseButtons mb); internal delegateOfCallBack _delegateOfCallBack = null; public Shell_NotifyIconEx() // 构造 { WM_NOTIFY_TRAY += 1; // 消息ID +1，避免多个ICON 消息处理冲突 uID += 1; // 同上 formTmp = new InnerClass(this); // 新实例一个消息循环 formTmpHwnd = formTmp.Handle; // 新实例句柄 VersionOk = this.GetShell32VersionInfo() >= 5; // 版本是否合适，此组件由于重点在气泡提示，它要求Shell32.dll 5.0(ie 5.0) 以上 } ~Shell_NotifyIconEx() { // 析构 if (forgetDelNotifyBox) this.DelNotifyBox(); //如果开发者忘记则清理icon } #region API_Consts internal readonly int WM_NOTIFY_TRAY = 0x0400 + 2001; //readonly 表示只在构造可付值 internal readonly int uID = 5000; // 常数定义，有VC 的可以参见 shellapi.h private const int NIIF_NONE = 0x00; private const int NIIF_INFO = 0x01; private const int NIIF_WARNING = 0x02; private const int NIIF_ERROR = 0x03; private const int NIF_MESSAGE = 0x01; private const int NIF_ICON = 0x02; private const int NIF_TIP = 0x04; private const int NIF_STATE = 0x08; private const int NIF_INFO = 0x10; private const int NIM_ADD = 0x00; private const int NIM_MODIFY = 0x01; private const int NIM_DELETE = 0x02; private const int NIM_SETFOCUS = 0x03; private const int NIM_SETVERSION = 0x04; private const int NIS_HIDDEN = 0x01; private const int NIS_SHAREDICON = 0x02; private const int NOTIFYICON_OLDVERSION = 0x00; private const int NOTIFYICON_VERSION = 0x03; [DllImport("shell32.dll", EntryPoint = "Shell_NotifyIcon")] private static extern bool Shell_NotifyIcon( // 这位是主角 int dwMessage, ref NOTIFYICONDATA lpData ); /// <summary> /// 此API 的作用是当 this.focus() 无效时可以考虑使用，效果很好 /// </summary> /// <param name="hwnd">this.Handle, 当前窗体句柄</param> [DllImport("user32.dll", EntryPoint = "SetForegroundWindow")] public static extern int SetForegroundWindow( IntPtr hwnd ); [StructLayout(LayoutKind.Sequential)] private struct NOTIFYICONDATA { // 主角用的结构 internal int cbSize; internal IntPtr hwnd; internal int uID; internal int uFlags; internal int uCallbackMessage; internal IntPtr hIcon; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x80)] internal string szTip; internal int dwState; // 这里往下几个是 5.0 的精华 internal int dwStateMask; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0xFF)] internal string szInfo; internal int uTimeoutAndVersion; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x40)] internal string szInfoTitle; internal int dwInfoFlags; } #endregion /// <summary> /// 建一个结构 /// </summary> private NOTIFYICONDATA GetNOTIFYICONDATA(IntPtr iconHwnd, string sTip, string boxTitle, string boxText) { NOTIFYICONDATA nData = new NOTIFYICONDATA(); nData.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(nData); // 结构的大小 nData.hwnd = formTmpHwnd; // 处理消息循环的窗体句柄，可以移成主窗体 nData.uID = uID; // 消息的 WParam，回调时用 nData.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP | NIF_INFO; // 标志，表示由消息、图标、提示、信息组成 nData.uCallbackMessage = WM_NOTIFY_TRAY; // 消息ID，回调用 nData.hIcon = iconHwnd; // 图标的句柄，有兴趣的话可以定时改变它变成动画ICON nData.uTimeoutAndVersion = 10 * 1000 | NOTIFYICON_VERSION; // 提示的超时值（几秒后自动消失）和版本 nData.dwInfoFlags = NIIF_INFO; // 类型标志，有INFO、WARNING、ERROR，更改此值将影响气泡提示框的图标类型 nData.szTip = sTip; // 图标的提示信息 nData.szInfoTitle = boxTitle; // 气泡提示框的标题 nData.szInfo = boxText; // 气泡提示框的提示内容 return nData; // 这个嘛。。。 } private int GetShell32VersionInfo() { // 返回shell32 的版本 FileInfo fi = new FileInfo(Path.Combine(System.Environment.SystemDirectory, "shell32.dll")); //将来的平台shell32 放哪目前不得而知，碰到再改 if (fi.Exists) { FileVersionInfo theVersion = FileVersionInfo.GetVersionInfo(fi.FullName); int i = theVersion.FileVersion.IndexOf('.'); if (i > 0) { try { return int.Parse(theVersion.FileVersion.Substring(0, i)); } catch { } } } return 0; } /// <summary> /// 加一个新图标 /// </summary> /// <param name="iconHwnd">图标句柄</param> /// <param name="sTip">提示, 5.0 最大: 128 char</param> /// <param name="boxTitle">气泡标题, 最大: 64 char</param> /// <param name="boxText">气泡内容, 最大: 256 char</param> /// <returns>成功、失败或错误(-1)</returns> public int AddNotifyBox(IntPtr iconHwnd, string sTip, string boxTitle, string boxText) { if (!this.VersionOk) return -1; NOTIFYICONDATA nData = GetNOTIFYICONDATA(iconHwnd, sTip, boxTitle, boxText); if (Shell_NotifyIcon(NIM_ADD, ref nData)) { this.forgetDelNotifyBox = true; return 1; } else { return 0; } } /// <summary> /// 和add 差不多，不重复了 /// </summary> public int DelNotifyBox() { if (!this.VersionOk) return -1; NOTIFYICONDATA nData = GetNOTIFYICONDATA(IntPtr.Zero, null, null, null); if (Shell_NotifyIcon(NIM_DELETE, ref nData)) { this.forgetDelNotifyBox = false; return 1; } else { return 0; } } public int ModiNotifyBox(IntPtr iconHwnd, string sTip, string boxTitle, string boxText) { if (!this.VersionOk) return -1; NOTIFYICONDATA nData = GetNOTIFYICONDATA(iconHwnd, sTip, boxTitle, boxText); return Shell_NotifyIcon(NIM_MODIFY, ref nData) ? 1 : 0; } #region Optional Module //这里是可选方法 /// <summary> /// 连接一个已存在的 contextMenu /// </summary> /// <param name="_formHwnd">窗体句柄，用来处理菜单的消息</param> /// <param name="_contextMenuHwnd">菜单的句柄</param> public void ConnectMyMenu(IntPtr _formHwnd, IntPtr _contextMenuHwnd) { formHwnd = _formHwnd; contextMenuHwnd = _contextMenuHwnd; } /// <summary> /// 立即清理掉图标、委托和formtmp 资源（好象没什么资源，考虑到可能二次开发挂接就开了这个东东） /// </summary> public void Dispose() { _delegateOfCallBack = null; this.formTmp.Dispose(); } /// <summary> /// 版本适合 /// </summary> public bool VersionPass { get { return this.VersionOk; } } #endregion }

用法示例:

private void button2_Click (object sender, System.EventArgs e) { Shell_NotifyIconEx ().AddNotifyBox (this.Icon.Handle, this.Text, "这是标题", "单击这里开始，我将带你畅游API 世界"); }private void GetPoc1 (MouseButtons mb) { // 回调处理 if (mb == MouseButtons.Left) { MessageBox.Show ("来自菜单1"); }}privateShell_NotifyIconEx o1 = newShell_NotifyIconEx (); //这个放外面是用在 o.DelNotifyBoxprivate void button1_Click (object sender, System.EventArgs e) { o1.AddNotifyBox (this.Icon.Handle, this.Text, "菜单1", "单击这里开始，我将带你畅游API 世界"); o1.ConnectMyMenu (this.Handle, this.contextMenu1.Handle); // 挂上菜单，可选 o1._delegateOfCallBack = newShell_NotifyIconEx.delegateOfCallBack (GetPoc1); //定义回调}private void GetPoc1(MouseButtons mb) { // 回调处理 if (mb == MouseButtons.Left) { MessageBox.Show("来自菜单1"); } } private Shell_NotifyIconEx o1 = new Shell_NotifyIconEx(); //这个放外面是用在 o.DelNotifyBox private void button1_Click(object sender, System.EventArgs e) { o1.AddNotifyBox(this.Icon.Handle,this.Text,"菜单1","单击这里开始，我将带你畅游API 世界"); o1.ConnectMyMenu(this.Handle,this.contextMenu1.Handle); // 挂上菜单，可选 o1._delegateOfCallBack = new Shell_NotifyIconEx.delegateOfCallBack(GetPoc1); //定义回调 } private void GetPoc2(MouseButtons mb) { if (mb == MouseButtons.Left) { MessageBox.Show("来自菜单2"); } } private Shell_NotifyIconEx o2 = new Shell_NotifyIconEx(); //第二个nofityicon 和上面一样 private void button2_Click(object sender, System.EventArgs e) { o2.AddNotifyBox(this.Icon.Handle,this.Text,"菜单2","单击这里开始，我将带你畅游API 世界"); o2.ConnectMyMenu(this.Handle,this.contextMenu2.Handle); o2._delegateOfCallBack = new Shell_NotifyIconEx.delegateOfCallBack(GetPoc2); }

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