Letraindusoir Posted January 9, 2021 Posted January 9, 2021 (edited) Quote _IEAttach ( $sString, $sMode = "title" , $iInstance = 1) In the case of the browser has been opened, this function, can be linked to the target web-page, simple and practical. However, instability sometimes occurs, for example, target web-page do exist, sometimes can be attached, sometimes attached failure. What are the main factors affecting reliability and how to ensure stability and reliability? Edited January 24, 2021 by Letraindusoir
Danp2 Posted January 9, 2021 Posted January 9, 2021 59 minutes ago, Letraindusoir said: What are the main factors affecting reliability and how to ensure stability and reliability? I would say a lack of error checking in your script. 😏 P.S. Your post makes it sound like you think there's an issue with _IEAttach. I'm hoping that this is not your intent and it's simply due to a language barrier. Latest Webdriver UDF Release Webdriver Wiki FAQs
Letraindusoir Posted January 10, 2021 Author Posted January 10, 2021 (edited) On 1/9/2021 at 12:43 PM, Danp2 said: I would say a lack of error checking in your script. 😏 P.S. Your post makes it sound like you think there's an issue with _IEAttach. I'm hoping that this is not your intent and it's simply due to a language barrier. Thanks for attention to this small problem! I am sorry that my english is not good! it Maybe have led to a misunderstanding. I don't think there's an issue with _IEAttach, I mean, I may not have mastered how to use the function. Because in the process of use, the same browser, the same web-page, sometimes can be Attached, sometimes Attach failure. Whether a web-page is out of focus, or a window is deactivated, or a process problem causes the connection to be unstable? error checking : 5 ($_IEStatus_InvalidValue) 7 ($_IEStatus_NoMatch) But it doesn't seem to explain why Edited January 10, 2021 by Letraindusoir
Nine Posted January 10, 2021 Posted January 10, 2021 Hard to say with no code. Try using hwnd to attach, you cannot be wrong with this method... Letraindusoir 1 “They did not know it was impossible, so they did it” ― Mark Twain Spoiler Block all input without UAC Save/Retrieve Images to/from Text Monitor Management (VCP commands) Tool to search in text (au3) files Date Range Picker Virtual Desktop Manager Sudoku Game 2020 Overlapped Named Pipe IPC HotString 2.0 - Hot keys with string x64 Bitwise Operations Multi-keyboards HotKeySet Recursive Array Display Fast and simple WCD IPC Multiple Folders Selector Printer Manager GIF Animation (cached) Debug Messages Monitor UDF Screen Scraping Multi-Threading Made Easy
Danp2 Posted January 10, 2021 Posted January 10, 2021 If you can show us a short code snippet that consistently reproduces the issue, then we may be able to offer some suggestions on how to improve your code. Latest Webdriver UDF Release Webdriver Wiki FAQs
Letraindusoir Posted January 14, 2021 Author Posted January 14, 2021 On 1/10/2021 at 10:42 PM, Nine said: Hard to say with no code. Try using hwnd to attach, you cannot be wrong with this method... Good idea, try to get the handle, use the handle as the attachment target, Maybe more reliable
Letraindusoir Posted January 14, 2021 Author Posted January 14, 2021 On 1/10/2021 at 10:43 PM, Danp2 said: If you can show us a short code snippet that consistently reproduces the issue, then we may be able to offer some suggestions on how to improve your code. More thanks,Danp2 The code is similar to the help example. Because sometimes can, sometimes can not, is not sutre which website page appears this kind of situation, therefore feels the code is difficult to explain the problem. Maybe it's more reliable to use a handle, as Nine says
Letraindusoir Posted January 24, 2021 Author Posted January 24, 2021 (edited) If $BrowserWindowHandle Then ConsoleWrite("$iWinState = " & WinGetState($BrowserWindowHandle) & @CRLF) ConsoleWrite("$BrowserWindowHandle = " & $BrowserWindowHandle & @CRLF) ;WinActivate($BrowserWindowHandle) $oIE = _IEAttach($BrowserWindowHandle, 'hwnd') endif $iWinState=23 $BrowserWindowHandle = 0x00020462 --> IE.au3 T3.0-2 Warning from function _IEAttach, $_IESTATUS_NoMatch $iWinState=39 $BrowserWindowHandle = 0x00020462 --> IE.au3 T3.0-2 Warning from function _IEAttach, $_IESTATUS_NoMatch $iWinState=39 $BrowserWindowHandle = 0x00020462 --> IE.au3 T3.0-2 Warning from function _IEAttach, $_IESTATUS_NoMatch $iWinState=39 $BrowserWindowHandle = 0x00020462 --> IE.au3 T3.0-2 Warning from function _IEAttach, $_IESTATUS_NoMatch $iWinState=7 $BrowserWindowHandle = 0x00020462 --> IE.au3 T3.0-2 Warning from function _IEAttach, $_IESTATUS_NoMatch $iWinState=7 $BrowserWindowHandle = 0x00020462 --> IE.au3 T3.0-2 Warning from function _IEAttach, $_IESTATUS_NoMatch Recently, there has been another uncertainty, even if the web-page is really there, and whether it is maximized or activated or minimize, the handle is undoubtedly available, will report errors. Edited January 24, 2021 by Letraindusoir
Letraindusoir Posted January 24, 2021 Author Posted January 24, 2021 expandcollapse popupFunc _IEAttach($sString, $sMode = "title", $iInstance = 1) $sMode = StringLower($sMode) $iInstance = Int($iInstance) If $iInstance < 1 Then __IEConsoleWriteError("Error", "_IEAttach", "$_IESTATUS_InvalidValue", "$iInstance < 1") Return SetError($_IESTATUS_InvalidValue, 3, 0) EndIf If $sMode = "embedded" Or $sMode = "dialogbox" Then Local $iWinTitleMatchMode = Opt("WinTitleMatchMode", $OPT_MATCHANY) If $sMode = "dialogbox" And $iInstance > 1 Then If IsHWnd($sString) Then $iInstance = 1 __IEConsoleWriteError("Warning", "_IEAttach", "$_IESTATUS_GeneralError", "$iInstance > 1 invalid with HWnd and DialogBox. Setting to 1.") Else Local $aWinlist = WinList($sString, "") If $iInstance <= $aWinlist[0][0] Then $sString = $aWinlist[$iInstance][1] $iInstance = 1 Else __IEConsoleWriteError("Warning", "_IEAttach", "$_IESTATUS_NoMatch") Opt("WinTitleMatchMode", $iWinTitleMatchMode) Return SetError($_IESTATUS_NoMatch, 1, 0) EndIf EndIf EndIf Local $hControl = ControlGetHandle($sString, "", "[CLASS:Internet Explorer_Server; INSTANCE:" & $iInstance & "]") Local $oResult = __IEControlGetObjFromHWND($hControl) Opt("WinTitleMatchMode", $iWinTitleMatchMode) If IsObj($oResult) Then Return SetError($_IESTATUS_Success, 0, $oResult) Else __IEConsoleWriteError("Warning", "_IEAttach", "$_IESTATUS_NoMatch") Return SetError($_IESTATUS_NoMatch, 1, 0) EndIf EndIf Local $oShell = ObjCreate("Shell.Application") Local $oShellWindows = $oShell.Windows(); collection of all ShellWindows (IE and File Explorer) Local $iTmp = 1 Local $iNotifyStatus, $bIsBrowser, $sTmp Local $bStatus For $oWindow In $oShellWindows ;------------------------------------------------------------------------------------------ ; Check to verify that the window object is a valid browser, if not, skip it ; ; Setup internal error handler to Trap COM errors, turn off error notification, ; check object property validity, set a flag and reset error handler and notification ; $bIsBrowser = True ; Trap COM errors and turn off error notification $bStatus = __IEInternalErrorHandlerRegister() If Not $bStatus Then __IEConsoleWriteError("Warning", "_IEAttach", _ "Cannot register internal error handler, cannot trap COM errors", _ "Use _IEErrorHandlerRegister() to register a user error handler") ; Turn off error notification for internal processing $iNotifyStatus = _IEErrorNotify() ; save current error notify status _IEErrorNotify(False) ; Check conditions to verify that the object is a browser If $bIsBrowser Then $sTmp = $oWindow.type ; Is .type a valid property? If @error Then $bIsBrowser = False EndIf If $bIsBrowser Then $sTmp = $oWindow.document.title ; Does object have a .document and .title property? If @error Then $bIsBrowser = False EndIf ; restore error notify _IEErrorNotify($iNotifyStatus) ; restore notification status __IEInternalErrorHandlerDeRegister() ;------------------------------------------------------------------------------------------ If $bIsBrowser Then Switch $sMode Case "title" If StringInStr($oWindow.document.title, $sString) > 0 Then If $iInstance = $iTmp Then Return SetError($_IESTATUS_Success, 0, $oWindow) Else $iTmp += 1 EndIf EndIf Case "instance" If $iInstance = $iTmp Then Return SetError($_IESTATUS_Success, 0, $oWindow) Else $iTmp += 1 EndIf Case "windowtitle" Local $bFound = False $sTmp = RegRead("HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\", "Window Title") If Not @error Then If StringInStr($oWindow.document.title & " - " & $sTmp, $sString) Then $bFound = True Else If StringInStr($oWindow.document.title & " - Microsoft Internet Explorer", $sString) Then $bFound = True If StringInStr($oWindow.document.title & " - Windows Internet Explorer", $sString) Then $bFound = True EndIf If $bFound Then If $iInstance = $iTmp Then Return SetError($_IESTATUS_Success, 0, $oWindow) Else $iTmp += 1 EndIf EndIf Case "url" If StringInStr($oWindow.LocationURL, $sString) > 0 Then If $iInstance = $iTmp Then Return SetError($_IESTATUS_Success, 0, $oWindow) Else $iTmp += 1 EndIf EndIf Case "text" If StringInStr($oWindow.document.body.innerText, $sString) > 0 Then If $iInstance = $iTmp Then Return SetError($_IESTATUS_Success, 0, $oWindow) Else $iTmp += 1 EndIf EndIf Case "html" If StringInStr($oWindow.document.body.innerHTML, $sString) > 0 Then If $iInstance = $iTmp Then Return SetError($_IESTATUS_Success, 0, $oWindow) Else $iTmp += 1 EndIf EndIf Case "hwnd" If $iInstance > 1 Then $iInstance = 1 __IEConsoleWriteError("Warning", "_IEAttach", "$_IESTATUS_GeneralError", "$iInstance > 1 invalid with HWnd. Setting to 1.") EndIf If _IEPropertyGet($oWindow, "hwnd") = $sString Then Return SetError($_IESTATUS_Success, 0, $oWindow) EndIf Case Else ; Invalid Mode __IEConsoleWriteError("Error", "_IEAttach", "$_IESTATUS_InvalidValue", "Invalid Mode Specified") Return SetError($_IESTATUS_InvalidValue, 2, 0) EndSwitch EndIf Next __IEConsoleWriteError("Warning", "_IEAttach", "$_IESTATUS_NoMatch") Return SetError($_IESTATUS_NoMatch, 1, 0) EndFunc ;==>_IEAttach Local $oShell = ObjCreate("Shell.Application") Local $oShellWindows = $oShell.Windows() Case $sProperty = "hwnd" If Not __IEIsObjType($oObject, "browser") Then __IEConsoleWriteError("Error", "_IEPropertyGet", "$_IESTATUS_InvalidObjectType") Return SetError($_IESTATUS_InvalidObjectType, 1, 0) EndIf Return SetError($_IESTATUS_Success, 0, HWnd($oObject.HWnd())) It feels like 'oShell.Windows' went wrong...
Danp2 Posted January 24, 2021 Posted January 24, 2021 5 hours ago, Letraindusoir said: $BrowserWindowHandle = 0x00020462 This value doesn't change between runs, so my guess would be that you've grabbed the wrong window handle. Can't offer more that that because you haven't provided a way to reproduce your results. Latest Webdriver UDF Release Webdriver Wiki FAQs
Letraindusoir Posted January 24, 2021 Author Posted January 24, 2021 53 minutes ago, Danp2 said: This value doesn't change between runs, so my guess would be that you've grabbed the wrong window handle. Can't offer more that that because you haven't provided a way to reproduce your results. First, the web-page (TAB) has not been closed since it opened. Second, it can be Attached normally at first. Third, temporarily dis-Attached, and then open a new browser or new tab to browse some other web-pages. Third, later, it was not Attached again, and the error was reported as above. That is to say, the web-page has not been closed from beginning to end, and the web-page-window has always been there.
Letraindusoir Posted January 24, 2021 Author Posted January 24, 2021 (edited) Can Shell.Application not fully enumerate all the windows under certain circumstances? Edited January 24, 2021 by Letraindusoir
Letraindusoir Posted January 24, 2021 Author Posted January 24, 2021 The window handle should not be scratched wrong and can be confirmed with winlist or Au3Info.exe. And the window has never been closed, so the window handle should not change automatically. Also, It can be attached at first, but not later For some reason.
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now