public void OnWindowClosing(object sender, CancelEventArgs e = null) //обработчик события закрытия окна программы
{
if (CurrentShift.IsActive)
{
if (CurrentShift.EndShift())
{
CurrentShift = new Shift();
CurrentUser = null;
UserName = null;
ButtonIsEnabled = false;
}
}
}
private bool ValidateWriteOffTicketsCommand()
{
return(CurrentRollInfo.NotNull() && CurrentShift.NotNull() && CurrentShift.Active);
}
