/// <summary>
/// callback for Kernel32's SetConsoleCtrlHandler
/// </summary>
/// <param name="ctrlType">the control event received</param>
/// <returns>true if the callback handled the event</returns>
private bool OnConsoleCtrlEvent(ConsoleCtrlType ctrlType)
{
switch (ctrlType)
{
case ConsoleCtrlType.CtrlCEvent:
case ConsoleCtrlType.CtrlBreakEvent:
case ConsoleCtrlType.CloseEvent:
case ConsoleCtrlType.LogOffEvent:
case ConsoleCtrlType.ShutdownEvent:
{
this.ShutdownSignal.TrySetResult(true);
return(false);
}
default:
{
throw AbbotwareException.Create("Unexpected Shutdown Event Recieved: {0} Should not reach this code", ctrlType);
}
}
}
private static void ExitHandler(Object sender, FormClosingEventArgs e)
{
if (e.Cancel || e.CloseReason == CloseReason.None)
{
return;
}
ConsoleCtrlType type = e.CloseReason switch
{
CloseReason.WindowsShutDown => ConsoleCtrlType.CtrlShutdownEvent,
CloseReason.MdiFormClosing => ConsoleCtrlType.CtrlShutdownEvent,
CloseReason.UserClosing => ConsoleCtrlType.CtrlCloseEvent,
CloseReason.TaskManagerClosing => ConsoleCtrlType.CtrlTaskManagerClosing,
CloseReason.FormOwnerClosing => ConsoleCtrlType.CtrlShutdownEvent,
CloseReason.ApplicationExitCall => ConsoleCtrlType.CtrlCloseEvent,
CloseReason.None => throw new NotSupportedException(),
_ => throw new NotSupportedException()
};
e.Cancel = ExitHandler(type);
}
private static Boolean ExitHandler(ConsoleCtrlType type)
{
return(ExitHandle && OnConsoleExit(type));
}
