CTRL_CLOSE_EVENT top-level constant
int
const CTRL_CLOSE_EVENT
PHANDLER_ROUTINE callback function dwCtrlType parameter flag: A signal that the system sends
to all processes attached to a console when the user closes the console (either by clicking Close
on the console window's window menu, or by clicking the End Task button command from Task Manager).
Implementation
const CTRL_CLOSE_EVENT = 2;