private void ConfigureTimeProvider()
{
timeProvider.TimeAvailable += (DateTime dateTime) => {
int minimumUpdateIntervalSeconds = 0;
Invoke(new Action(() => {
minimumUpdateIntervalSeconds = (int)numericUpDownMimimumUpdateInterval.Value;
}));
if (Environment.TickCount - lastSystemTimeUpdate < minimumUpdateIntervalSeconds * 1000)
{
return;
}
// Positive error means system clock is ahead, negative error means system clock is behind
TimeSpan error = SystemTimeUtils.GetSystemTime().Subtract(dateTime).Duration();
if (checkBoxMaximumCorrectionEnabled.Checked)
{
TimeSpan maximumCorrection = new TimeSpan();
int maximumCorrectionValue = (int)numericUpDownMaximumCorrection.Value;
string maximumCorrectionUnit = "";
Invoke(new Action(() => {
maximumCorrectionUnit = (string)comboBoxMaximumCorrectionUnit.SelectedItem;
}));
if (maximumCorrectionUnit == "hour(s)")
{
maximumCorrection = TimeSpan.FromHours(maximumCorrectionValue);
}
else if (maximumCorrectionUnit == "minute(s)")
{
maximumCorrection = TimeSpan.FromMinutes(maximumCorrectionValue);
}
else if (maximumCorrectionUnit == "second(s)")
{
maximumCorrection = TimeSpan.FromSeconds(maximumCorrectionValue);
}
if (error >= maximumCorrection)
{
Invoke(new Action(() => {
AddMessageToLog("System time error exceeded maximum correction: time not set.", LogLevel.Info);
}));
return;
}
}
SystemTimeUtils.SetSystemTime(dateTime);
Invoke(new Action(() => {
AddMessageToLog(string.Format(
"System time set to {0} ({1}).",
dateTime.ToString("HH:mm:ss dd\\/MM\\/yyyy"), error.ToString()
), LogLevel.Info);
}));
lastSystemTimeUpdate = Environment.TickCount;
};
timeProvider.Log += (string message, LogLevel logLevel) => {
Invoke(new Action(() => {
AddMessageToLog(message, logLevel);
}));
};
}
private void timerClockDisplayUpdate_Tick(object sender, EventArgs e)
{
DateTime systemTime = SystemTimeUtils.GetSystemTime();
labelCurrentDateTime.Text = systemTime.ToString("HH:mm:ss\ndd\\/MM\\/yyyy\nUTC");
}