private void OnPreviewMouseWheel(object sender, MouseWheelEventArgs e) { if (e.Delta > 0) { //ConsoleTextBox.ScrollToVerticalOffset(ConsoleTextBox.VerticalOffset + 1); ConsoleTextBox.LineUp(); } else { ConsoleTextBox.LineDown(); } // ConsoleTextBox.ScrollToVerticalOffset(ConsoleTextBox.VerticalOffset - 1); e.Handled = true; }