Screen Saver Starter Kit

using System;
using System.Configuration;
using System.Windows.Forms;

namespace DcamScreenSaver
{
    public partial class OptionsForm : Form
    {
        public OptionsForm()
        {
            InitializeComponent();

            // load controls from properties
            try
            {
                cbxScreenSaver.SelectedIndex = Math.Min( Math.Max( 0, Properties.Settings.Default.Main_ScreenSaver ), 3 );
                nudHours.Value = Math.Min( Math.Max( 0, Properties.Settings.Default.Main_BlackAfterHH ), 23 );
                nudMinutes.Value = Math.Min( Math.Max( 0, Properties.Settings.Default.Main_BlackAfterMM ), 59 );
                nudSeconds.Value = Math.Min( Math.Max( 0, Properties.Settings.Default.Main_BlackAfterSS ), 59 );
                cbxWormType.SelectedIndex = Math.Min( Math.Max( 0, Properties.Settings.Default.Worms_WormType ), 3 );
                nudNumWorms.Value = Math.Min( Math.Max( 1, Properties.Settings.Default.Worms_NumWorms ), 200 );
                cbxStartPosType.SelectedIndex = Math.Min( Math.Max( 0, Properties.Settings.Default.Worms_StartPosType ), 10 );
                nudNumPacman.Value = Math.Min( Math.Max( 1, Properties.Settings.Default.Pacman_NumPacman ), 200 );
                nudMazeCellSize.Value = Math.Min( Math.Max( 10, Properties.Settings.Default.Maze_CellSize ), 128 );
                nudMazeGenSpeed.Value = Math.Min( Math.Max( 0, Properties.Settings.Default.Maze_GenSpeed ), 5000 );
                nudMazeSearchSpeed.Value = Math.Min( Math.Max( 0, Properties.Settings.Default.Maze_SearchSpeed ), 5000 );
                nudMazeGenWaitAfter.Value = Math.Min( Math.Max( 500, Properties.Settings.Default.Maze_GenWaitAfter ), 5000 );
                nudMazeSearchWaitAfter.Value = Math.Min( Math.Max( 500, Properties.Settings.Default.Maze_SearchWaitAfter ), 5000 );
            }
            catch
            {
                MessageBox.Show( "Problems reading the properties" );

                // set defaults
                cbxScreenSaver.SelectedIndex = 0;
                nudHours.Value = 0;
                nudMinutes.Value = 10;
                nudSeconds.Value = 0;
                cbxWormType.SelectedIndex = 0;
                nudNumWorms.Value = 20;
                cbxStartPosType.SelectedIndex = 1;
                nudNumPacman.Value = 20;
                nudMazeCellSize.Value = 16;
                nudMazeGenSpeed.Value = 5;
                nudMazeSearchSpeed.Value = 5;
                nudMazeGenWaitAfter.Value = 2000;
                nudMazeSearchWaitAfter.Value = 5000;
            }
        }

        private void btnOK_Click( object sender, EventArgs e )
        {
            try
            {
                Properties.Settings.Default.Main_ScreenSaver = cbxScreenSaver.SelectedIndex;
                Properties.Settings.Default.Main_BlackAfterHH = Decimal.ToInt32( nudHours.Value );
                Properties.Settings.Default.Main_BlackAfterMM = Decimal.ToInt32( nudMinutes.Value );
                Properties.Settings.Default.Main_BlackAfterSS = Decimal.ToInt32( nudSeconds.Value );
                Properties.Settings.Default.Worms_NumWorms = Decimal.ToInt32( nudNumWorms.Value );
                Properties.Settings.Default.Worms_WormType = cbxWormType.SelectedIndex;
                Properties.Settings.Default.Worms_StartPosType = cbxStartPosType.SelectedIndex;
                Properties.Settings.Default.Pacman_NumPacman = Decimal.ToInt32( nudNumPacman.Value );
                Properties.Settings.Default.Maze_CellSize = Decimal.ToInt32( nudMazeCellSize.Value );
                Properties.Settings.Default.Maze_GenSpeed = Decimal.ToInt32( nudMazeGenSpeed.Value );
                Properties.Settings.Default.Maze_SearchSpeed = Decimal.ToInt32( nudMazeSearchSpeed.Value );
                Properties.Settings.Default.Maze_GenWaitAfter = Decimal.ToInt32( nudMazeGenWaitAfter.Value );
                Properties.Settings.Default.Maze_SearchWaitAfter = Decimal.ToInt32( nudMazeSearchWaitAfter.Value );
                Properties.Settings.Default.Save();
            }
            catch( ConfigurationException )
            {
                MessageBox.Show( "Problems writing the properties.", "Dcam Screensaver Options",
                     MessageBoxButtons.OK, MessageBoxIcon.Error );
            }
            finally
            {
                Close();
            }
        }

        private void btnCancel_Click( object sender, EventArgs e )
        {
            Close();
        }

     }
}