private void WindowClosing1(object sender, System.ComponentModel.CancelEventArgs e)
{
if (!_somethingChanged)
{
return;
}
var d = MessageBox.Show("Сохранить изменения?", "", MessageBoxButton.YesNoCancel);
switch (d)
{
case MessageBoxResult.Cancel:
e.Cancel = true;
break;
case MessageBoxResult.Yes:
Apply.Execute(null, null);
break;
}
}
