Programming Tips - Win32: Cleanly end my Windows program

Date: 2009may4 Platform: win32 OS: Windows Lanuguage: C/C++ Q. Win32: Cleanly end my Windows program A. There are lots of ways to do it. The usual way is for the user to click on [X] to close the main window of your program. You can simulate this by doing:
PostMessage(WM_CLOSE);
If your program is dialog based, this will do nearly the same thing:
EndDialog(IDCANCEL); - simulates clicking on [Cancel]
or
EndDialog(IDOK); - simulates clicking on [OK]
Less elegantly you can post a quit message:
PostQuitMessage(int nExitCode);
An nExitCode of 0 (zero) means success and non-zero doesn't If you want to rudely end your app use either of these:
TerminateProcess(HANDLE hProcess, int nExitCode);
exit(int nExitCode);