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Destroywindow Not Working


I remember making it as a beginner, until I read the documentation saying "WM_DESTROY tells the window that it's being destroyed". How many seconds are a meter in the 4th dimension? What are some ways that fast, long-distance communications can exist without needing to have electronic radios? That worker window is still there, because it never got DestroyWindow'd.

Was This Post Helpful? 1 Back to top MultiQuote Quote + Reply #3 Invisibledeath D.I.C Head Reputation: 7 Posts: 79 Joined: 13-March 10 Re: C++ win32 problem can't destroy window You may have to register before you can post: click the register link above to proceed. If another app sends WM_DESTROY while the dialog is active, the app crashes, and the question is "I mean, what is the standard way for an application to close wheter it No new replies allowed. http://stackoverflow.com/questions/6116564/destroywindow-does-not-close-window-on-mac-using-python-and-opencv

Opencv Destroy Window

You have "Web 2.0 technology" to thank. -Raymond]" Actually I couldn't get it to work right in Chrome 14 *or* IE9. How to close a window correctly? 1 openCV closing a window with a mouse click on a Raspberry Pi 0 OpenCV -> Python - image window does not close 0 Why business logic deleted ... And who are »they«?

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  • And that's the memory leak: The thread exited before all its windows were destroyed.
  • Browse other questions tagged c++ windows winapi or ask your own question.
  • To my knowledge the error code is only change when SetLastError() is called. –ChrisWue Sep 13 '14 at 2:17 add a comment| Your Answer draft saved draft discarded Sign up
  • You need documentation to tell the difference.
  • TC says: September 26, 2011 at 9:50 pm @Cesar: "if you missed [something] when reading the documentation, looking at the source code would make it clear." That doesn't make it clear
  • Pay attention to the warnings.
  • How can I close the gui windows?

First, here's the thread that caused the leak: DWORD CALLBACK ThreadProc(void *lpParameter) { ... // This CreateWindow caused uxtheme to allocate some memory HWND hwnd = CreateWindow(...); RememberWorkerWindow(hwnd); MSG msg; while Terms Privacy Security Status Help You can't perform that action at this time. OpenCV Docs say: "This function is the only method in HighGUI that can fetch and handle events, so it needs to be called periodically for normal event processing unless HighGUI is Cv2 Startwindowthread See for example on StackOverflow: * http://stackoverflow.com/questions/6116564 * http://stackoverflow.com/questions/11593046 Although both questions use OpenCV 1.x, the same problem occurs using the cv2 import of OpenCV 2.x The only way to really

Therefore, you cannot use it to terminate another app. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed So maybe something like this: doomedHandle = GetDlgItem(hWnd, IDC_BTN_FOOA); DestroyWindow(doomedHandle); share|improve this answer answered Sep 12 '14 at 9:03 ChrisWue 17.7k32694 Alright, the main code is updated, and works. browse this site Their leak tracking tool produced the stacks which allocated memory that was never freed, and they all seemed to come from uxtheme.dll, which is a DLL that comes with Windows.

If you send the message yourself, then you're making the window think that it's being destroyed, even though it isn't. (Because it's DestroyWindow that destroys windows.) The victim window procedure goes Opencv Close Window Python Apr 29, 2014 at 7:14pm UTC Fredbill 30 (3998) As far as I know, it's because you don't actually own the window, the program does. It's the kind of tool I'd only reach for these days if I had to blast a virus out of the system. On the terminal, i would do this vlc out.avi #out.avi is my video file being saved by the function above.

Cv2.destroyallwindows() Not Working

The window procedure for the window looks like this: LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { ... Why is "Try Again" translated to ใ‚„ใ‚Š็›ดใ™? Opencv Destroy Window There are some very complex reasons as to why this is done, and are well outside the scope of this reply. Opencv Destroywindow Not Working We seriously need to write a note about thinking about the long long term effects of the design for when the timemachine is completed. [How do you know that the code

void MakeWorkerGoAway() { // Find the worker window if it is registered HWND hwnd = GetWorkerWindow(); // If we have one, destroy it if (hwnd) { // DestroyWindow doesn't work for Updated over 1 year ago. Generating Random Numbers - The C++ Way Hello World: Your first C and C++ Programs Network programming under UNIX Implementation Inheritance Change Theme in Code::Blocks A New Webcam Api Tutorial in Join them; it only takes a minute: Sign up DestroyWindow does not close window on Mac using Python and OpenCV up vote 10 down vote favorite 5 My program generates a Opencv Startwindowthread

I'm using a Mac with OpenCV 2.1, running the program in Terminal. Is RandomGraph really random? Since the window wasn't actually destroyed, the internal memory used to keep track of the window didn't get freed, and there you have your leak. "You just got punk'd!" The correct Status:Open Start date:2013-03-22 Priority:Normal Due date: Assignee:Vadim Pisarevsky % Done:0% Category:highgui-gui Target version:- Affected version:2.4.2 Operating System: Difficulty: HW Platform: Pull request: Description On Ubuntu 12.10 using either the shipped OpenCV

Code ladder, Robbers Does the Rothschild family own most central banks? Cvdestroywindow However, the code continues to the next call of the display function and displays a second gui window while not closing the first. switch (uMsg) { ...

Since our window procedure doesn't override WM_CLOSE, the message will fall through to DefWindowProc which will convert the WM_CLOSE into a DestroyWindow.

ActionButton button; button.Create(Form.Get(), 150,150, 50,50); button.SetFuncionLeftButtonDown(Function); c++ windows winapi share|improve this question asked Aug 29 '13 at 14:09 ST3 4,61212968 Also perhaps you need setup cwWndExtra for use Set/GetWindowLongPtr To start viewing messages, select the forum that you want to visit from the selection below. Obviously, that would involve inventing a time machine -- it's way too late to fix it now. Opencv Window Close Event In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms

more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Tags Code Comments (27) Cesar says: September 26, 2011 at 7:21 am So, the problem is that WM_DESTROY is a notification, while WM_CLOSE is a command, and they were sending the asked 2 years ago viewed 331 times active 2 years ago Related -1Zeroing memory on Windows2RAII-style lockable objects1Win32API program Main with Child windows design pattern7Wormhole - a Windows shim app written This is why I like looking at the source code whenever I use a function I am not used to (or, when programming for Windows, look at the Wine source code,

What is the more appropriate adjectival form of Trump? Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts View Site Leaders What's New? At this point you can then click Go again and the browser should just scroll to the link. (I'm sure that this step could be automated.) Earlier versions of the blogging Reference Sheets Code Snippets C Snippets C++ Snippets Java Snippets Visual Basic Snippets C# Snippets VB.NET Snippets ASP.NET Snippets PHP Snippets Python Snippets Ruby Snippets ColdFusion Snippets SQL Snippets Assembly Snippets

You have "Web 2.0 technology" to thank. -Raymond] Rick C says: September 26, 2011 at 7:57 am Fortunately you can search for "Arno" on the suggestion box: An app with a Eventually, I tracked it down. Today's Topics Dream.In.Code > Programming Help > C and C++ C++ win32 problem can't destroy window Page 1 of 1 New Topic/Question Reply 2 Replies - 2748 Views - Last Post: How to close a window correctly?0destroyWindow (from opencv) closes all windows and stops c++ program3Adding GUI Window to python opencv2 program with pygtk31OpenCV (Python) setMouseCallback preventing program termination2OpenCV (Python) order of

I'm assuming this is a behaviour that stems from Gtk+; the function didn't give me any trouble when I used it under Windows. The key is how the program signals this window that it should go away. void ChangeControl() { // remove all controls, existing, or not hwnd = GetDlgItem(hWnd, IDC_BTN_FOOA); DestroyWindow(hwnd); hwnd = GetDlgItem(hWnd, IDC_BTN_FOOB); DestroyWindow(hwnd); hwnd = GetDlgItem(hWnd, IDC_BTN_FOOC); // add the control wanted hwndButton = On Local Error Resume Next: If Not Empty Is Nothing Then Do While Null: ReDim i(True To False) As Currency: Loop: Else Debug.Assert CCur(CLng(CInt(CBool(False Imp True Xor False Eqv True)))): Stop:

Did Trump call Belgium a village in Europe? Frederik Slijkerman says: September 26, 2011 at 8:46 am "This is why I like looking at the source code whenever I use a function I am not used to (or, when asked 3 years ago viewed 861 times active 3 years ago Upcoming Events 2016 Community Moderator Election ends in 9 days Related 15“APIENTRY _tWinMain” and “WINAPI WinMain” difference0DestroyWindow in OnDestroy not Blueprint a sestina Can a giant spoon be utilised as a weapon Why do most microwaves open from the right to the left?

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Jim says: September 26, 2011 at 10:54 am This is a good topic.