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Bo Brantén
267
Ext2Mgr/SysTray.cpp
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267
Ext2Mgr/SysTray.cpp
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/////////////////////////////////////////////////////////////////////////////
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// SystemTray.cpp : implementation file
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "SysTray.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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IMPLEMENT_DYNAMIC(CSystemTray, CObject)
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/////////////////////////////////////////////////////////////////////////////
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// CSystemTray construction/creation/destruction
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CSystemTray::CSystemTray()
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{
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ZeroMemory(&m_tnd, sizeof(m_tnd));
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m_bEnabled = FALSE;
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m_bHidden = FALSE;
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}
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CSystemTray::CSystemTray(CWnd* pWnd, UINT uCallbackMessage, LPCTSTR szToolTip,
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HICON icon, UINT uID)
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{
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Create(pWnd, uCallbackMessage, szToolTip, icon, uID);
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m_bHidden = FALSE;
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}
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BOOL CSystemTray::Create(CWnd* pWnd, UINT uCallbackMessage, LPCTSTR szToolTip,
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HICON icon, UINT uID)
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{
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// this is only for Windows 95 (or higher)
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m_bEnabled = ( GetVersion() & 0xff );
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ASSERT(m_bEnabled >= 4);
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if (!m_bEnabled)
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return FALSE;
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//Make sure Notification window is valid
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m_bEnabled = (pWnd && ::IsWindow(pWnd->GetSafeHwnd()));
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if (!m_bEnabled) return FALSE;
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//Make sure we avoid conflict with other messages
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ASSERT(uCallbackMessage >= WM_USER);
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//Tray only supports tooltip text up to 64 characters
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ASSERT(_tcslen(szToolTip) <= 64);
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// load up the NOTIFYICONDATA structure
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m_tnd.cbSize = sizeof(NOTIFYICONDATA);
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m_tnd.hWnd = pWnd->GetSafeHwnd();
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m_tnd.uID = uID ^ GetCurrentProcessId();
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m_tnd.hIcon = icon;
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m_tnd.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
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m_tnd.uCallbackMessage = uCallbackMessage;
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strcpy (m_tnd.szTip, szToolTip);
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// Set the tray icon
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m_bEnabled = Shell_NotifyIcon(NIM_ADD, &m_tnd);
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ASSERT(m_bEnabled);
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return m_bEnabled;
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}
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CSystemTray::~CSystemTray()
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{
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RemoveIcon();
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}
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/////////////////////////////////////////////////////////////////////////////
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// CSystemTray icon manipulation
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void CSystemTray::MoveToRight()
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{
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HideIcon();
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ShowIcon();
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}
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void CSystemTray::RemoveIcon()
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{
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if (!m_bEnabled) return;
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m_tnd.uFlags = 0;
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Shell_NotifyIcon(NIM_DELETE, &m_tnd);
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m_bEnabled = FALSE;
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}
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void CSystemTray::HideIcon()
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{
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if (m_bEnabled && !m_bHidden) {
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m_tnd.uFlags = NIF_ICON;
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Shell_NotifyIcon (NIM_DELETE, &m_tnd);
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m_bHidden = TRUE;
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}
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}
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void CSystemTray::ShowIcon()
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{
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if (m_bEnabled && m_bHidden) {
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m_tnd.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
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Shell_NotifyIcon(NIM_ADD, &m_tnd);
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m_bHidden = FALSE;
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}
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}
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BOOL CSystemTray::SetIcon(HICON hIcon)
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{
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if (!m_bEnabled) return FALSE;
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m_tnd.uFlags = NIF_ICON;
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m_tnd.hIcon = hIcon;
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return Shell_NotifyIcon(NIM_MODIFY, &m_tnd);
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}
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BOOL CSystemTray::SetIcon(LPCTSTR lpszIconName)
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{
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HICON hIcon = AfxGetApp()->LoadIcon(lpszIconName);
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return SetIcon(hIcon);
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}
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BOOL CSystemTray::SetIcon(UINT nIDResource)
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{
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HICON hIcon = AfxGetApp()->LoadIcon(nIDResource);
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return SetIcon(hIcon);
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}
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BOOL CSystemTray::SetStandardIcon(LPCTSTR lpIconName)
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{
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HICON hIcon = LoadIcon(NULL, lpIconName);
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return SetIcon(hIcon);
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}
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BOOL CSystemTray::SetStandardIcon(UINT nIDResource)
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{
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HICON hIcon = LoadIcon(NULL, MAKEINTRESOURCE(nIDResource));
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return SetIcon(hIcon);
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}
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HICON CSystemTray::GetIcon() const
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{
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HICON hIcon = NULL;
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if (m_bEnabled)
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hIcon = m_tnd.hIcon;
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return hIcon;
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}
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/////////////////////////////////////////////////////////////////////////////
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// CSystemTray tooltip text manipulation
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BOOL CSystemTray::SetTooltipText(LPCTSTR pszTip)
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{
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if (!m_bEnabled) return FALSE;
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m_tnd.uFlags = NIF_TIP;
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_tcscpy(m_tnd.szTip, pszTip);
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return Shell_NotifyIcon(NIM_MODIFY, &m_tnd);
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}
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BOOL CSystemTray::SetTooltipText(UINT nID)
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{
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CString strText;
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strText.LoadString(nID);
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return SetTooltipText(strText);
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}
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CString CSystemTray::GetTooltipText() const
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{
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CString strText;
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if (m_bEnabled)
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strText = m_tnd.szTip;
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return strText;
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}
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/////////////////////////////////////////////////////////////////////////////
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// CSystemTray notification window stuff
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BOOL CSystemTray::SetNotificationWnd(CWnd* pWnd)
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{
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if (!m_bEnabled) return FALSE;
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//Make sure Notification window is valid
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ASSERT(pWnd && ::IsWindow(pWnd->GetSafeHwnd()));
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m_tnd.hWnd = pWnd->GetSafeHwnd();
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m_tnd.uFlags = 0;
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return Shell_NotifyIcon(NIM_MODIFY, &m_tnd);
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}
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CWnd* CSystemTray::GetNotificationWnd() const
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{
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return CWnd::FromHandle(m_tnd.hWnd);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CSystemTray implentation of OnTrayNotification
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LRESULT CSystemTray::OnTrayNotification(WPARAM wParam, LPARAM lParam)
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{
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//Return quickly if its not for this tray icon
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if (wParam != m_tnd.uID)
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return 0L;
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CMenu menu, *pSubMenu;
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// Clicking with right button brings up a context menu
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switch(LOWORD(lParam))
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{
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case WM_RBUTTONUP:
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{
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if (!menu.LoadMenu(m_tnd.uID ^ GetCurrentProcessId()))
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return 0;
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pSubMenu = menu.GetSubMenu(0);
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if (!pSubMenu)
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return 0;
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// Make first menu item the default (bold font)
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::SetMenuDefaultItem(pSubMenu->m_hMenu, 0, TRUE);
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//Display and track the popup menu
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CPoint pos;
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GetCursorPos(&pos);
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::SetForegroundWindow(m_tnd.hWnd);
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::TrackPopupMenu(pSubMenu->m_hMenu, 0, pos.x, pos.y, 0, m_tnd.hWnd, NULL);
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// BUGFIX: See "PRB: Menus for Notification Icons Don't Work Correctly"
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::PostMessage(m_tnd.hWnd, WM_NULL, 0, 0);
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menu.DestroyMenu();
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}
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break;
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case WM_LBUTTONDBLCLK:
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{
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if (!menu.LoadMenu(m_tnd.uID ^ GetCurrentProcessId()))
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return 0;
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pSubMenu = menu.GetSubMenu(0);
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if (!pSubMenu)
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return 0;
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// double click received, the default action is to execute first menu item
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::SetForegroundWindow(m_tnd.hWnd);
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::SendMessage(m_tnd.hWnd, WM_COMMAND, pSubMenu->GetMenuItemID(0), 0);
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menu.DestroyMenu();
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}
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break;
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case WM_LBUTTONUP:
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::SetForegroundWindow(m_tnd.hWnd);
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break;
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}
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return 1;
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}
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