自学教程：C++ FindWindowEx函数代码示例

HWND FindTrayWnd(){		HWND hTrayWnd = FindWindow(L"Shell_TrayWnd", NULL);		hTrayWnd = FindWindowEx(hTrayWnd, 0, L"TrayNotifyWnd", NULL); 		HWND hwndTmp;			hwndTmp = ::FindWindowEx(hTrayWnd, 0, L"SysPager", NULL);		if(!hwndTmp)			hTrayWnd=::FindWindowEx(hTrayWnd,0,L"ToolbarWindow32",NULL);		else			hTrayWnd=::FindWindowEx(hwndTmp,0,L"ToolbarWindow32",NULL);		return hTrayWnd;}

HWND FindVisibleWindow(CTSTR lpClass, CTSTR lpTitle){    HWND hwndNext = nullptr;    HWND hwnd = nullptr;    do    {        hwnd = FindWindowEx(NULL, hwndNext, lpClass, lpTitle);        if (hwnd && IsWindowVisible(hwnd))            break;        hwndNext = hwnd;    } while (hwnd != nullptr);    return hwnd;}

void CPostMsgData::Work(){	std::vector<HWND> vhWnd;	HWND hWnd = FindWindow(NULL,L"{C3CE0473-57F7-4a0a-9CF4-C1ECB8A3C514}_dsmainmsg_ie");	UINT uCnt = 0;	while (hWnd != NULL)	{		uCnt++;		::PostMessage(hWnd,m_uMsg,m_wParam,m_lParam);		hWnd = FindWindowEx(HWND_MESSAGE, hWnd, NULL,L"{C3CE0473-57F7-4a0a-9CF4-C1ECB8A3C514}_dsmainmsg_ie");	}	if (m_lRef != LUA_REFNIL)	{		g_wndMsg.PostMessage(WM_POSTWNDMSG, uCnt, (LPARAM) this);	}}

HWND CFrame::aigisHwnd(){	HWND hChrome = chromeHwnd();	if (!hChrome)	{		return nullptr;	}	HWND hFrame = FindWindowEx(hChrome, 0, _T("Chrome_RenderWidgetHostHWND"), _T("Chrome Legacy Window"));	if (!hFrame)	{		return nullptr;	}	return hFrame;}

static void vboxTrayRemoveTrayIcon(){    if (gNotifyIconData.cbSize > 0)    {        /* Remove the system tray icon and refresh system tray. */        Shell_NotifyIcon(NIM_DELETE, &gNotifyIconData);        HWND hTrayWnd = FindWindow("Shell_TrayWnd", NULL); /* We assume we only have one tray atm. */        if (hTrayWnd)        {            HWND hTrayNotifyWnd = FindWindowEx(hTrayWnd, 0, "TrayNotifyWnd", NULL);            if (hTrayNotifyWnd)                SendMessage(hTrayNotifyWnd, WM_PAINT, 0, NULL);        }        RT_ZERO(gNotifyIconData);    }}

BOOL vmsOeWindows::Initialize(){		m_hwndMain = FindWindow ("Outlook Express Browser Class", NULL);		if (m_hwndMain == NULL)		return FALSE;			m_hwndRebar = FindWindowEx (m_hwndMain, NULL, "SizableRebar", NULL);	if (m_hwndRebar)		m_hwndRebar = FindWindowEx (m_hwndRebar, NULL, "ReBarWindow32", NULL);			m_hwndMessageList = FindWindowEx (m_hwndMain, NULL, "Outlook Express Message View", NULL);	if (m_hwndMessageList)		m_hwndMessageList = FindWindowEx (m_hwndMessageList, NULL, "Outlook Express Message List", NULL);	if (m_hwndMessageList)		m_hwndMessageList = FindWindowEx (m_hwndMessageList, NULL, "ATL:SysListView32", NULL);			HWND m_hwndFoldersList = FindWindowEx (m_hwndMain, NULL, "Outlook Express Navigation Pane", NULL);	if (m_hwndFoldersList)		m_hwndFoldersList = FindWindowEx (m_hwndFoldersList, NULL, "Outlook Express Pane Frame", NULL);	if (m_hwndFoldersList)		m_hwndFoldersList = FindWindowEx (m_hwndFoldersList, NULL, "ThorTreeViewWndClass", NULL);	if (m_hwndFoldersList)		m_hwndFoldersList = FindWindowEx (m_hwndFoldersList, NULL, "SysTreeView32", NULL);		return TRUE;}

/***********************************************************************       _WndProcMain*/static LRESULT CALLBACK _WndProcMain(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {  HWND hWndStatus;  SIM_GUI_HandleKeyEvents(message, wParam);  switch (message) {  case WM_SIZE:    hWndStatus = FindWindowEx(hWnd, NULL, STATUSCLASSNAME, NULL);    if (hWndStatus) {      _SetParts(hWndStatus);      SendMessage(hWndStatus, message, wParam, lParam);    }    break;  case WM_DESTROY:    PostQuitMessage(0);    break;  }  return DefWindowProc(hWnd, message, wParam, lParam);}

int __stdcall COpenDirHelper::BrowseCallbackProcDIR(HWND  hwnd,UINT  uMsg,LPARAM  lParam,LPARAM  lpData){	HWND checkbox;	//Initialization callback message	if(uMsg==BFFM_INITIALIZED) {		SendMessage(hwnd, BFFM_SETSELECTION, TRUE, (LPARAM)(LPCTSTR)strLastOpenDir);		RECT ListViewRect;		RECT Dialog;		RECT ClientArea;		RECT ButtonRect;		checkbox = CreateWindowEx(0, _T("BUTTON"), ResStr(IDS_MAINFRM_DIR_CHECK),								  WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | BS_AUTOCHECKBOX | BS_MULTILINE, 0, 100, 100,								  50, hwnd, 0, AfxGetApp()->m_hInstance, NULL);		HWND ListView=FindWindowEx(hwnd,NULL,_T("SysTreeView32"),NULL);		HWND id_ok = GetDlgItem(hwnd, IDOK);		HWND id_cancel = GetDlgItem(hwnd, IDCANCEL);		GetWindowRect(hwnd,&Dialog);		MoveWindow(hwnd, Dialog.left, Dialog.top, Dialog.right-Dialog.left+50, Dialog.bottom-Dialog.top+70, TRUE);		GetWindowRect(hwnd,&Dialog);		GetClientRect(hwnd,&ClientArea);		GetWindowRect(ListView,&ListViewRect);		MoveWindow(ListView, ListViewRect.left-Dialog.left-3, ListViewRect.top-Dialog.top-55, ListViewRect.right-ListViewRect.left+49, ListViewRect.bottom-ListViewRect.top+115, TRUE);		GetWindowRect(ListView,&ListViewRect);		GetWindowRect(id_ok,&ButtonRect);		MoveWindow(id_ok, ButtonRect.left-Dialog.left+49, ButtonRect.top-Dialog.top+50, ButtonRect.right-ButtonRect.left, ButtonRect.bottom-ButtonRect.top, TRUE);		GetWindowRect(id_cancel,&ButtonRect);		MoveWindow(id_cancel, ButtonRect.left-Dialog.left+49, ButtonRect.top-Dialog.top+50, ButtonRect.right-ButtonRect.left, ButtonRect.bottom-ButtonRect.top, TRUE);		SetWindowPos(checkbox, HWND_BOTTOM, (ListViewRect.left-Dialog.left-3), ClientArea.bottom - 35, 120, 27, SWP_SHOWWINDOW);		SetFont(checkbox,_T("Tahoma"),13);		CBProc = (WNDPROC) SetWindowLongPtr(checkbox, GWLP_WNDPROC, (LONG_PTR) CheckBoxSubclassProc);		SendMessage(checkbox,BM_SETCHECK,(WPARAM)m_incl_subdir,0);	}	return 0;}

void AlreadyRun(void){	HWND	FirsthWnd, FirstChildhWnd;	if((FirsthWnd = FindWindowEx(NULL, NULL, szWindowClass, NULL )) != NULL)	{		FirstChildhWnd = GetLastActivePopup(FirsthWnd);		SetForegroundWindow(FirsthWnd);			if(FirsthWnd != FirstChildhWnd)		{			SetForegroundWindow(FirstChildhWnd);		}				ShowWindow(FirsthWnd, SW_SHOWNORMAL);	}}

// Paul Brannan 8/7/98// This code is from Michael 'Hacker' Krelin (author of KINSole)// (slightly modified)HWND TelnetGetConsoleWindow() {	DWORD pid = GetCurrentProcessId(), wpid;	char title[512], *t = title;	HWND hrv = NULL;#ifndef __BORLANDC__	// Ioannou Dec. 8, 1998	if(!GetConsoleTitle(title, sizeof(title))) t = NULL;	for(;;) {		if((hrv = FindWindowEx(NULL, hrv, "tty", t)) == NULL) break;		if(!GetWindowThreadProcessId(hrv, &wpid)) continue;		if(wpid == pid) return hrv;	}#endif	return GetForegroundWindow();}

void clickChildButton (HWND dialog, const char *caption) {    HWND dialogItem = NULL;    while (1) {        dialogItem = FindWindowEx(dialog, dialogItem, NULL, NULL);        if (dialogItem == NULL) {            break;        }        char windowText[255];        GetWindowText(dialogItem, windowText, 255);        printf("found subitem: %s/n", windowText);        if (strcmp(windowText, caption) == 0) {            SetActiveWindow(dialog);            SendMessage(dialogItem, BM_CLICK, NULL, NULL);            break;        }    }}

static HWND FindTopWindow(HWND hParent, LPCWSTR sClass){	HWND hLast = NULL;	HWND hFind = NULL;	int Coord = 99999;	while ((hFind = FindWindowEx(hParent, hFind, sClass, NULL)) != NULL)	{		RECT rc; GetWindowRect(hFind, &rc);		if ((hLast == NULL)			|| (rc.top < Coord))		{			Coord = rc.top;			hLast = hFind;		}	}	return hLast;}

void vmsIeHelper::GetIeWindows(vector <HWND> &vWnds){	HWND hwnd = NULL;	DWORD dwCPID = GetCurrentProcessId ();		do	{		hwnd = FindWindowEx (NULL, hwnd, _T ("IEFrame"), NULL);		if (hwnd)		{			DWORD dwPID = 0;			GetWindowThreadProcessId (hwnd, &dwPID);			if (dwPID == dwCPID)				vWnds.push_back (hwnd);		}	}	while (hwnd != NULL);}

int vmsIeHelper::GetTabCount(HWND hwndIeWindow){	HWND hwnd = NULL;	int cTabs = 0;	do 	{		hwnd = FindWindowEx (hwndIeWindow, hwnd, _T ("Frame Tab"), NULL);		if (hwnd)			cTabs++;	} 	while (hwnd != NULL);	if (!cTabs)		cTabs = 1;	return cTabs;}

UINT_PTR CALLBACK OpenFileSubclass(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam){	OpenFileSubclassData *data= (OpenFileSubclassData *)GetWindowLongPtr(hwnd, GWLP_USERDATA);	switch(msg) {	case WM_INITDIALOG:		{			OPENFILENAME *ofn = (OPENFILENAME *)lParam;			data = (OpenFileSubclassData *) malloc(sizeof(OpenFileSubclassData));			SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)data);			data->locking_request = (BYTE *)ofn->lCustData;			data->setView = TRUE;			TranslateDialogDefault(hwnd);			CheckDlgButton(hwnd, IDC_PROTECTAVATAR, *(data->locking_request));		}		break;	case WM_COMMAND:		if (LOWORD(wParam) == IDC_PROTECTAVATAR)			*(data->locking_request) = IsDlgButtonChecked(hwnd, IDC_PROTECTAVATAR) ? TRUE : FALSE;		break;	case WM_NOTIFY:		if (data->setView) {			HWND hwndParent = GetParent(hwnd);			HWND hwndLv = FindWindowEx(hwndParent, NULL, _T("SHELLDLL_DefView"), NULL) ;			if (hwndLv != NULL) {				SendMessage(hwndLv, WM_COMMAND, SHVIEW_THUMBNAIL, 0);				data->setView = FALSE;			}		}		break;	case WM_NCDESTROY:		free((OpenFileSubclassData *)data);		SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)0);		break;	}	return FALSE;}

//---------------------------------------------------------------------------DWORD WINAPI ExitWhile(LPVOID lpParameter)  //{    do    {        HWND    hWnd = FindWindow(NULL ,"UIPOWER");// Form1        if(hWnd!=NULL)        {            //ShowMessage("hWnd!=NULL");            HWND    hChildWnd = FindWindowEx(hWnd ,NULL ,NULL ,"否(&N)");            if(hChildWnd!=NULL)            {                PostMessage(hChildWnd ,WM_KEYDOWN ,(WPARAM)'N' ,NULL);                break;            }        }        Sleep(100);    }    while(true);    return	1;}

ExecutionProcess OpenOfficeAction::GetExecutingProcess(){	ExecutionProcess process;	process = ActionExecution::GetExecutingProcess();	if (process.IsEmpty() == false)	{		return process;	}	if (FindWindowEx(NULL, NULL, LISTENER_WINDOWCLASS, NULL) == NULL)	{		return ExecutionProcess();	}	else	{		return ExecutionProcess(KILLTRAY_MESSAGE, L"", true);	}}

void Announcer::ToMessenger(wstring artist, wstring album, wstring title, BOOL show) {  if (title.empty() && show) return;    COPYDATASTRUCT cds;  WCHAR buffer[256];  wstring wstr = L"//0Music//0" + ToWstr(show) + L"//0{1}//0" +     artist + L"//0" + title + L"//0" + album + L"//0//0";  wcscpy_s(buffer, 256, wstr.c_str());  cds.dwData = 0x547;  cds.lpData = &buffer;  cds.cbData = (lstrlenW(buffer) * 2) + 2;  HWND hMessenger = NULL;  while (hMessenger = FindWindowEx(NULL, hMessenger, L"MsnMsgrUIManager", NULL)) {    if (hMessenger > 0) {      SendMessage(hMessenger, WM_COPYDATA, NULL, (LPARAM)&cds);    }  }}

DWORD WINAPI ThreadVentProc(LPVOID lpParam){	hWndVent = NULL;	while(1)	{		if(!IsWindow(hWndVent))		{			pKillVentHook();			hWndVent = FindWindow(NULL, "Ventrilo");			if(hWndVent != NULL)			{				threadID = GetWindowThreadProcessId(hWndVent, NULL);				hWndXmit = FindWindowEx(hWndVent, NULL, "Static", "--XMIT--");				if(threadID != NULL && hWndXmit != NULL)					pSetVentHook(threadID, hWndXmit);			}		}		Sleep(2000);	}	return 0;}

HWND GetTargetWindow(){#if 0	HWND desktop = GetDesktopWindow();	HWND testWindow = FindWindowEx(desktop, NULL, "InjectionTestWindow", "Injection Test Window");	return testWindow;#endif#if 1	HWND worker;	HWND defView;	HWND listView;	if(!util::FindDesktopWindows(worker, defView, listView))	{		return NULL;	}	return listView;#endif}

static HWNDhtml_find_ie_window(HWND win){    static const TCHAR ie_wc[] = _T("Internet Explorer_Server");    HWND w;    w = FindWindowEx(win, NULL, ie_wc, NULL);    if(w != NULL)        return w;    win = GetWindow(win, GW_CHILD);    while(win != NULL) {        w = html_find_ie_window(win);        if(w != NULL)            return w;        win = GetWindow(win, GW_HWNDNEXT);    }    return NULL;}

LPCTSTR SnarlInterface::GetAppPath(){	HWND hWnd = GetSnarlWindow();	if (hWnd)	{		HWND hWndPath = FindWindowEx(hWnd, NULL, _T("static"), NULL);		if (hWndPath)		{			TCHAR strTmp[MAX_PATH] = {0};			int nReturn = GetWindowText(hWndPath, strTmp, MAX_PATH-1);			if (nReturn > 0) {				TCHAR* strReturn = AllocateString(nReturn + 1);				_tcsncpy(strReturn, strTmp, nReturn + 1);								strReturn[nReturn] = 0;				return strReturn;			}		}	}	return NULL;}

int main( int argc, char **argv ){	int cmd = -1;	HWND hwnd = NULL;			print_license();	printf( "/n" );		if( argc < 2 )		show_usage_and_exit();		cmd = find_command( argv[ 1 ] );	if( cmd == -1 )		show_usage_and_exit();		hwnd = FindWindowEx( NULL, NULL, "gdkWindowToplevel", "Workrave" );	if( !hwnd )	{		printf( "Error: Workrave window not found!/n" );		return 1;	}		printf( "Sending Workrave command %s.../n", command[ cmd ] );	fflush( stdout );		SetLastError( 0 );	if( SendMessageTimeout( hwnd, WM_USER, cmd, 0, SMTO_BLOCK, 15000, NULL ) )	{		printf( "Command sent./n" );		return 0;	}		if( GetLastError() == ERROR_TIMEOUT )		printf( "Error: SendMessageTimeout() timed out!/n" );	else		printf( "Error: SendMessageTimeout() failed!/n" );		return 1;}

NPError NP_LOADDS NPP_SetWindow(NPP instance, NPWindow *npwin){    InstanceData *data;    if (!instance)    {        plogf("sp: NPP_SetWindow() errro: NPERR_INVALID_INSTANCE_ERROR");        return NPERR_INVALID_INSTANCE_ERROR;    }    plogf("sp: NPP_SetWindow()");    data = (InstanceData *)instance->pdata;    if (!npwin)    {        data->npwin = NULL;    }    else if (data->npwin != npwin)    {        HWND hWnd = (HWND)npwin->window;                data->npwin = npwin;        SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)data);        SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)PluginWndProc);    }    else    {        // The plugin's window hasn't changed, just its size        HWND hWnd = (HWND)npwin->window;        HWND hChild = FindWindowEx(hWnd, NULL, NULL, NULL);                if (hChild)        {            ClientRect rcClient(hWnd);            MoveWindow(hChild, rcClient.x, rcClient.y, rcClient.dx, rcClient.dy, FALSE);        }    }        return NPERR_NO_ERROR;}

int click_button(const char *window, const char *button){    int message = 0;    while (1) {        HWND window_handle = FindWindow(NULL, window);        if(window_handle == NULL) {            if(message == 0) {                printf("Error: Failed to find window '%s'./n", window);                message = 1;            }            Sleep(50);            continue;        }        HWND button_handle = FindWindowEx(window_handle, NULL, NULL, button);        if(button_handle == NULL) {            if(message == 0) {                printf("Error: failed to find window/button '%s' '%s'./n",                    window, button);                message = 1;            }            Sleep(50);            continue;        }        SetActiveWindow(window_handle);        if(IsWindowEnabled(button_handle) != FALSE) {            SendMessage(button_handle, BM_CLICK, 0, 0);            break;        }        else {            printf("Waiting: Button not enabled yet./n");            Sleep(50);            continue;        }    }    return 0;}

void CUpgradrHelperbar::CreateMainWindow(){	// Only create the window if it doesn't exist yet.	if (m_MainWindow) return;	HWND parent = GetParent();	if (!parent) throw CUpgradrRuntimeError(LoadStringResource(IDS_ERROR_NOPARENTWINDOW));	ATLASSERT(m_BrowserId!=NULL_BROWSER);	m_MainWindow.SetBrowserId(m_BrowserId);	m_MainWindow.SetDisplayMode(CHelperbarWindow::EDM_PINNED);	m_MainWindow.Create(parent, rcDefault, HELPERBAR_WINDOW_NAME);	// subclass toolbar	HWND hToolbarWnd = FindWindowEx(m_hWnd, NULL, TOOLBARCLASSNAME, NULL);	m_Toolbar.SubclassWindow(hToolbarWnd);	// make our new button visible	m_Toolbar.ModifyStyle(0, TBSTYLE_WRAPABLE);	m_Toolbar.ResizeClient(20, 40);}

HRESULT CTaskBar::Taskbar_RegisterTab(HWND hBtn, LPVOID pVCon, BOOL abSetActive /*= FALSE*/){	HRESULT hr, hr1;	// mp_TaskBar1 may be NULL if NO task bar is created (e.g. 'explorer.exe' is closed)	_ASSERTE(mp_TaskBar1!=NULL || FindWindowEx(NULL, NULL, L"Shell_TrayWnd", NULL)==NULL);	Taskbar_GhostAppend(pVCon);	// Tell the taskbar about this tab window	if (mp_TaskBar3)	{		hr = mp_TaskBar3->RegisterTab(hBtn, ghWnd);		hr1 = mp_TaskBar3->SetTabOrder(hBtn, NULL);	}	else if (mp_TaskBar1)	{		//ShowWindow(hBtn, SW_SHOWNA);		hr = mp_TaskBar1->AddTab(hBtn);	}	else	{		hr = E_NOINTERFACE;	}	if (SUCCEEDED(hr) && abSetActive)	{		hr1 = Taskbar_SetActiveTab(hBtn);	}	if (SUCCEEDED(hr) && mp_TaskBar4)	{		hr1 = mp_TaskBar4->SetTabProperties(hBtn, STPF_NONE/*STPF_USEAPPTHUMBNAILWHENACTIVE|STPF_USEAPPPEEKWHENACTIVE*/);	}	Taskbar_GhostReorder();	return hr;}

BOOL CALLBACK RefreshShellView( HWND hWnd, LPARAM lParam ){  if( hWnd )   {    TCHAR szClassName[MAX_PATH]={};    DWORD dwLen=MAX_PATH;    GetClassName(hWnd,szClassName,dwLen);    if( (_tcscmp(szClassName,_T("ExploreWClass"))==0) || (_tcscmp(szClassName,_T("CabinetWClass"))==0) )    {      HWND hwndShellView = FindWindowEx(hWnd,NULL,_T("NSFViewClass"),NULL);      if(hwndShellView !=NULL)      {			        HWND hwndExcept =(HWND)lParam;        if((hwndExcept!=NULL && hwndExcept!=hwndShellView) ||         (hwndExcept==NULL) )          ::SendMessage(hwndShellView,WM_COMMAND,ID_VIEW_REFRESH,0);      }    }  }  return( TRUE );}

MArray<CDpiForDialog::DlgItem>* CDpiForDialog::LoadDialogItems(HWND hDlg){	MArray<DlgItem>* p = new MArray<DlgItem>();	DlgItem i = {hDlg};	if (!GetWindowRect(hDlg, &i.r))	{		delete p;		return NULL;	}	OffsetRect(&i.r, -i.r.left, -i.r.top);	p->push_back(i);	i.h = NULL;	while ((i.h = FindWindowEx(hDlg, i.h, NULL, NULL)) != NULL)	{		if (GetWindowRect(i.h, &i.r) && MapWindowPoints(NULL, hDlg, (LPPOINT)&i.r, 2))		{			#ifdef _DEBUG			DWORD_PTR ID = GetWindowLong(i.h, GWL_ID);			if (ID == cbExtendFonts)			{				RECT rcMargin = {};				if (Button_GetTextMargin(i.h, &rcMargin))				{					wchar_t szLog[100];					_wsprintf(szLog, SKIPCOUNT(szLog) L"CheckBox Rect={%i,%i}-{%i,%i} Margin={%i,%i}-{%i,%i}",						LOGRECTCOORDS(i.r), LOGRECTCOORDS(rcMargin));					LogString(szLog);				}			}			#endif			p->push_back(i);		}	}	return p;}