Example #. Sent when an application’s close button is clicked. Do not confuse this with WM_DESTROY which is sent when a window will be destroyed. The main difference lies in the fact that closing may be canceled in WM_CLOSE (think of Microsoft Word asking to save your changes), versus that destroying is when the window has already been closed …
Example from Windows Classic Samples on GitHub. Remarks. An application can prompt the user for confirmation, prior to destroying a window, by processing the WM_CLOSE message and calling the DestroyWindow function only if the user confirms the choice. By default, the DefWindowProc function calls the DestroyWindow function to destroy the window. Requirements, The following are 24 code examples for showing how to use win32con.WM_CLOSE().These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don’t like, and go to the original project or source file by following the links above each example .
Const WM_CLOSE = &H10. Example. Let the user enter the title of a window in a text box. Then, attempt to close the window whose title bar matches that text when the user clicks a button. To use this example, place a text boxed named txtTitle and a command button named cmdClose on a form window.
Here is an example of how a program might handle WM_CLOSE. case WM_CLOSE: if (MessageBox(hwnd, LReally quit?, LMy application, MB_OKCANCEL) == IDOK) { DestroyWindow(hwnd); } // Else: User canceled. Do nothing. return 0; In this example, the MessageBox function shows a modal dialog that contains OK and Cancel buttons.
c++ – What is the difference between WM_QUIT, WM_CLOSE …
Python Examples of win32con.WM_CLOSE, c++ – What is the difference between WM_QUIT, WM_CLOSE …
c++ – What is the difference between WM_QUIT, WM_CLOSE …
8/9/2004 · I am after a simple example project using WM_CLOSE , preferbly a borland project but vc++ would do. Please post code here ,a link, pm me or email me the detais, thank you. I have tried several ways and I am doing something wrong. I just want to hook WM_CLOSE and pop up a dialog box to confirm exit. Thank you, Can anyone provide me an example of how to use WM_CLOSE to close a small application like Notepad? c# pinvoke. share | improve this question | follow | edited Jul 15 ’09 at 3:22.
