private static VisualizerSettings GetClone(VisualizerSettings instance)
{
lock (_instanceLocker)
{
return(Utilities.CreateClone(_instance));
}
}
public static void CancelClone()
{
lock (_cloneLocker)
{
_clone = null;
}
}
public static void PromoteClone()
{
lock (_instanceLocker)
{
_instance = Clone;
lock (_cloneLocker)
{
_clone = null;
}
}
}
private static VisualizerSettings Load()
{
if (File.Exists(_xmlFileName) == false ||
_userSettingsOverwriteDecline == true)
{
return(new VisualizerSettings());
}
try
{
using (FileStream stream = new FileStream(_xmlFileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
DataContractSerializer serializer = new DataContractSerializer(typeof(VisualizerSettings));
VisualizerSettings settings = serializer.ReadObject(stream) as VisualizerSettings;
return(settings);
}
}
catch (Exception ex)
{
string lineSpacing = Environment.NewLine + Environment.NewLine;
string message = string.Format(
"The system was not able to load the current settings. The specific error is: {0}." + lineSpacing +
"Do you want to revert to default settings?" + lineSpacing +
"Select Yes if you want to revert to the default settings. You will likely lose any custom settings if you choose this option." + lineSpacing +
"Select No to end the program and manually correct the problem.",
ex.Message);
DialogResult result = MessageBox.Show(
message,
"Unable to load settings",
MessageBoxButtons.YesNo,
MessageBoxIcon.Warning,
MessageBoxDefaultButton.Button2);
if (result == DialogResult.No)
{
_userSettingsOverwriteDecline = true;
Application.Exit();
}
return(new VisualizerSettings());
}
}
private void OkButton_Click(object sender, EventArgs e)
{
VisualizerSettings.PromoteClone();
VisualizerSettings.Instance.Save();
DialogResult = DialogResult.OK;
}
private void CancelButton_Click(object sender, EventArgs e)
{
VisualizerSettings.CancelClone();
DialogResult = DialogResult.Cancel;
}
