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When I was calling DefWindowProc () from the end of my callback funciton I was specifying this NULL HWND variable, and not the HWND passed into the callback function itself, hence Monday, May 09, 2011 11:18 AM Reply | Quote 0 Sign in to vote Nitin Agrawal GWL wrote: Okie, If Function is getting succeeded then Monitor should be switched off but Anybody can tell where i can see in the system for the reason? Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies this content

thanks for you help Reply With Quote Quick Navigation Visual C++ Programming Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums Visual C++ & C++ Programming If you want to give me part of points, Go to Solution 5 Comments LVL 48 Overall: Level 48 MS Development-Other 12 Web Components 3 Message Expert Comment by:AlexFM2003-12-23 Please Guest, the last post of this topic is over 60 days old and at this point you may not reply in this topic. Reply With Quote July 1st, 2002,04:03 AM #4 madmatt View Profile View Forum Posts Junior Member Join Date Jun 2002 Posts 7 i've just tried what you suggested and it's the http://stackoverflow.com/questions/11138626/error-1400-invalid-window-handle

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What's behind the word "size issues"? Seehttp://msdn.microsoft.com/en-us/library/ms646360(VS.85).aspxfor reference. How exactly does mining software work? If anyone wants to see the code, then I'll paste it. 0 Question by:Veratil Facebook Twitter LinkedIn Google LVL 48 Best Solution byAlexFM Open 0-points question in Commity support area: http://www.experts-exchange.com/Community_Support/

How should I interpret "English is poor" review when I used a language check service before submission? I am using VMWare machine with console and this API is not working on my 2 VMWare test machine whichare having Windows XP Proffesional with SP3. Copyright Quinstreet Inc. 2002-2016 Very Computer Board index Win32 Program CreateDialog Returns Error 1400? 1813? Windows Blue Screen Error Codes Top CreateDialog Returns Error 1400? 1813?

contact us The MSDN says > "... Installation of this version cannot continue. https://social.msdn.microsoft.com/Forums/en-US/ad3c7ba6-e301-48f2-bcc3-709aa0a04a53/sendmessagecallback-function-return-windows-error-1400-errorinvalidwindowhandle?forum=vcgeneral Can anybody help to me?

I really don't know where this is coming from, the code is real simple and i can't find the problem. Windows Error Codes And Solutions Pdf If the function succeeds, it does not set the last error value. BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) { HWND hWnd; MainHWND=&hWnd; hInst = hInstance; ... ... int Test=PostMessage(*MainHWND,WM_PRINT,NULL,NULL); int error=GetLastError(); I just can't find out what is wrong! Function returning success but when i am doing "GetLastError" it returning error 1400.

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Use IsWindow API for this. 0 Message Author Comment by:Veratil2003-12-23 I've tested, and it is a valid handle. https://www.experts-exchange.com/questions/20833912/CreateWindowEx-returns-error-1400.html This is "Invalid window handle". Windows Error Codes List To avoid an evil global, you can pass the HWND (or thread ID) to the thread via the start parameter, e.g. Windows Error Codes 0x I've tracked down another small thing in the ReadConfig, but that's still not what's causing it I think.

But at you a window , judging by yours LThanks, I will check up that there with .At present forcedly created window Ansi.And helped here that: instead of direct call CreateWindowA http://imagextension.com/error-code/getlasterror-list-error.php I am not able tofindoutthe reason for that. GetLastError is only meaningful immediately after an API function fails. Do you mean that CreateWindow is returning NULL?Anyway did you register "Window Class" before the call to CreateWindow? System Error Code 1400 Invalid Window Handle

So your function call suceeded. Join Now For immediate help use Live now! It is one of my first not console programs. have a peek at these guys Setting up e-mail for whole domain 9.

Error Code 1400 using FindWindowEx in System Services 4. Error 1392 The File Or Directory Is Corrupted And Unreadable Most common controls support the WM_PRINTCLIENT message. Back to top #8 VISQI Members -Reputation: 113 Like 0Likes Like Posted 06 November 2010 - 05:53 PM i did register the class, look at the code.And yes, it is

Contact your support personnel for assistance. ERROR_INSTALL_USEREXIT 1602 (0x642) User cancelled installation. ERROR_INSTALL_FAILURE 1603 (0x643) Fatal error during installation. ERROR_INSTALL_SUSPEND 1604 (0x644) Installation suspended, incomplete. ERROR_UNKNOWN_PRODUCT 1605

You use a global HINSTANCE to create your windows but.....you forgot to assign it the value given at the start of WinMain!HTH Back to top #11 VISQI Members -Reputation: 113 Like Supplied GetDesktopWindow(). Without a valid window handle, there is no way to send notification messages. -- -GJC -War is the last resort of the incompetent. Error Code 1332 Join Domain What is the deal?

Results 1 to 10 of 10 Thread: Problem with CreateWindow Tweet Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch Featured Post How to run any project with ease Promoted by Quip, Inc Manage projects of all sizes how you want. AData.Node->Wnd = ChildWindow; ResizeWindow(); GetClientRect(ChildWindow, &ClientRC); } 0 LVL 48 Overall: Level 48 MS Development-Other 12 Web Components 3 Message Expert Comment by:AlexFM2003-12-23 So, GetLastError is 1400? check my blog Connect with top rated Experts 12 Experts available now in Live!

Window creation did not begin.LG> There is it in an OBJ-file written on a C and in Delphi.And in Delfi too Junikod? I'd like to at least give you something for the time you've used trying to help. 0 LVL 48 Overall: Level 48 MS Development-Other 12 Web Components 3 Message Accepted MCP Wednesday, June 15, 2011 2:17 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. this one is only for MDI.

SelectObject Fails, with GetLastError returning error 1400 (invalid window handle) Hot Network Questions What are oxidation states used for? Verify that the source exists and that you can access it. ERROR_INSTALL_PACKAGE_VERSION 1613 (0x64D) This installation package cannot be installed by the Windows Installer service. by Gary Chanso » Tue, 22 Jan 2002 14:06:08 Quote:> I have a DLG resource that works fine via DialogBox for example, but when I > use CreateDialog, I get a Suggested Solutions Title # Comments Views Activity Windows Standards for file storage. 3 15 151d Redirecting GET as POST 8 31 160d Alternative to visual sourcesafe 2 86 137d Issue testing

I found out, what the mistake was now: my MainHWND was a Pointer to the hWnd wich is requiered in WndProc(). if the function is successful the return valid is non-zero..." This is > what is happening.

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