托盘上的菜单右键弹出后，然后再别的地方，比如桌面，菜单无法隐藏掉，一直在托盘上，除非操作下菜单才能隐藏掉，只需要加上一句话

::SetForegroundWindow(m_nid.hWnd);

就可以解决这个问题。

下面是托盘创建

class CXXXDlg{private:NOTIFYICONDATA     m_trayid;        //作为托盘ID};

//创建托盘void CXXXDlg::CreateTray(HICON icon){	m_trayid.cbSize = (DWORD)sizeof(NOTIFYICONDATA);	m_trayid.hWnd = this->m_hWnd;	m_trayid.uID = 128;	m_trayid.uFlags = NIF_ICON|NIF_MESSAGE|NIF_TIP;	m_trayid.uCallbackMessage = UM_SHOW_THIRDBIND;	m_trayid.hIcon = icon;	wcscpy_s(m_trayid.szTip, _T("我是托盘"));	Shell_NotifyIcon(NIM_ADD, &m_trayid);}

//显示托盘tooltipvoid CXXXDlg::ShowTrayTooltip(){    m_trayid.cbSize=sizeof(NOTIFYICONDATA);    m_trayid.uFlags = NIF_INFO;    m_trayid.uVersion = NOTIFYICON_VERSION;    m_trayid.uTimeout = 5000;    m_trayid.dwInfoFlags = NIIF_INFO;    wcscpy_s(m_trayid.szInfoTitle, L"提示" );                  //气泡标题    wcscpy_s(m_trayid.szInfo, L"我是托盘tooltip");             //气泡内容    Shell_NotifyIcon( NIM_MODIFY, &m_trayid);}

LRESULT   CXXXDlg::onShowTask(WPARAM    wParam,LPARAM    lParam)   //托盘响应消息     {         if(wParam !=128)              return    1;     switch(lParam)           {     case    WM_RBUTTONUP:              {               ::SetForegroundWindow(m_nid.hWnd);                    //点击别的地方，托盘隐藏            LPPOINT    lpoint=new    tagPOINT;                 ::GetCursorPos(lpoint);             m_menu.GetSubMenu(0)->TrackPopupMenu(TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_RIGHTBUTTON, lpoint->x, lpoint->y, this);             delete   lpoint;            break;        }          case   WM_LBUTTONDBLCLK:           {                 this->ShowWindow(SW_SHOW);            SetForegroundWindow();        }           break;         }     return    0;  }