public void LoadSettings()
{
try
{
// Create an instance of the Settings class
Settings settings = new Settings();
if (File.Exists(this.settingsPath))
{
// Create an instance of System.Xml.Serialization.XmlSerializer
XmlSerializer serializer = new XmlSerializer(typeof(Settings));
// Create an instance of System.IO.StreamReader
// to point to the settings file on disk
StreamReader textReader = new StreamReader(this.settingsPath);
// Create an instance of System.Xml.XmlTextReader
// to read from the StreamReader
XmlTextReader xmlReader = new XmlTextReader(textReader);
if (serializer.CanDeserialize(xmlReader))
{
// Assign the deserialized object to the new settings object
settings = ((Settings)serializer.Deserialize(xmlReader));
this.allowedShapes = settings.AllowedShapes;
this.drawSpeed = settings.DrawSpeed;
this.customSpeed = settings.CustomSpeed;
this.useTransparency = settings.UseTransparency;
}
else
{
// Save a new settings file
this.SaveSettings();
}
// Close the XmlTextReader
xmlReader.Close();
// Close the XmlTextReader
textReader.Close();
}
else
{
// Save a new settings file
this.SaveSettings();
}
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Error retrieving deserialized settings! {0}", ex.Message), "Dave on C# Screen Saver", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ScreenSaverForm_Load(object sender, EventArgs e)
{
try
{
// Initialise private members
this.random = new Random();
this.settings = new Settings();
this.settings.LoadSettings();
this.active = false;
// Hide the cursor
Cursor.Hide();
// Create the Graphics object to use when drawing.
this.graphics = this.CreateGraphics();
// Set the draw speed from the settings file
switch (this.settings.DrawSpeed)
{
case Settings.Speed.Custom:
tmrMain.Interval = this.settings.CustomSpeed;
break;
case Settings.Speed.Fast:
tmrMain.Interval = 100;
break;
case Settings.Speed.Normal:
tmrMain.Interval = 200;
break;
case Settings.Speed.Slow:
tmrMain.Interval = 500;
break;
}
// Enable the timer.
tmrMain.Enabled = true;
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Error loading screen saver! {0}", ex.Message), "Dave on C# Screen Saver", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public void SaveSettings()
{
try
{
// Create an instance of the Settings class
Settings settings = new Settings();
settings.AllowedShapes = this.allowedShapes;
settings.DrawSpeed = this.drawSpeed;
if (settings.DrawSpeed == Settings.Speed.Custom)
settings.CustomSpeed = this.customSpeed;
else
settings.CustomSpeed = 0;
settings.UseTransparency = this.useTransparency;
// Create an instance of System.Xml.Serialization.XmlSerializer
XmlSerializer serializer = new XmlSerializer(settings.GetType());
// Create an instance of System.IO.TextWriter
// to save the serialized object to disk
TextWriter textWriter = new StreamWriter(this.settingsPath);
// Serialize the settings object
serializer.Serialize(textWriter, settings);
// Close the TextWriter
textWriter.Close();
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Error saving serialized settings! {0}", ex.Message), "Dave on C# Screen Saver", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
