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  1. /***
  2.  * THIS IS AN PUBLIC WINDOWS C++ MINI-APP
  3.  * TO DEMONSTRATE MAKING A CONSOLE WINDOW ALWAYS ON TOP
  4.  * 
  5.  * COMPILE & USE ON WINDOWS (not here :P)
  6. ***/
  7. #include <iostream> // standard input/output C++ library
  8.  
  9. #define _WIN32_WINNT 0x0500 // to use certain API, the windows version must be set to 0x0500 or more
  10. #include <windows.h> // using main Windows library for C++ Windows API
  11.  
  12. using namespace std; // to make this example clearer - not recommended for production
  13.  
  14. int main() {
  15.  
  16.     // GetConsoleWindow() => returns:
  17.     // "handle to the window used by the console
  18.     // associated with the calling process
  19.     // or NULL
  20.     // if there is no such associated console."
  21.     HWND consoleWindowHandle = GetConsoleWindow(); // getting the console window handle
  22.  
  23.     if( consoleWindowHandle ){
  24.         cout << endl << "Setting up associated console window ON TOP !";
  25.         SetWindowPos(
  26.             consoleWindowHandle, // window handle
  27.             HWND_TOPMOST, // "handle to the window to precede
  28.                           // the positioned window in the Z order
  29.                           // OR one of the following:"
  30.                           // HWND_BOTTOM or HWND_NOTOPMOST or HWND_TOP or HWND_TOPMOST
  31.             0, 0, // X, Y position of the window (in client coordinates)
  32.             0, 0, // cx, cy => width & height of the window in pixels
  33.             SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW // The window sizing and positioning flags.
  34.         );
  35.         // OPTIONAL - SET WINDOW'S "SHOW STATE"
  36.         ShowWindow(
  37.             consoleWindowHandle, // window handle
  38.             SW_NORMAL // how the window is to be shown
  39.                       // SW_NORMAL => "Activates and displays a window.
  40.                       // If the window is minimized or maximized,
  41.                       // the system restores it to its original size and position.
  42.                       // An application should specify this flag
  43.                       // when displaying the window for the first time."
  44.         );
  45.         cout << endl << "Done.";
  46.     } else {
  47.         cout << endl << "There is no console window associated with this app :(";
  48.     }
  49.  
  50.     char buffer = 'y';
  51.     while( buffer != 'n' ){
  52.         cout << endl << "Continue? (y/n):";
  53.         cin >> buffer;
  54.     }
  55.  
  56.  
  57. 	return 0;
  58. }
  59.  
  60. /***
  61. References:
  62.  
  63. GetConsoleWindow => http://msdn.microsoft.com/en-us/library/windows/desktop/ms683175%28v=vs.85%29.aspx
  64. SetWindowPos => http://msdn.microsoft.com/en-us/library/windows/desktop/ms633545(v=vs.85).aspx
  65. ShowWindow => http://msdn.microsoft.com/en-us/library/windows/desktop/ms633548(v=vs.85).aspx
  66. Setting WINVER or _WIN32_WINNT => http://msdn.microsoft.com/en-us/library/windows/desktop/aa383745(v=vs.85).aspx#setting_winver_or__win32_winnt
  67. ***/
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:4:21: fatal error: windows.h: No such file or directory
 #include <windows.h>
                     ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/CeLQj3
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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