protected void OnCalculating(CalculatingEventArgs args)
{
// TODO: Log progress
if (Calculating != null)
{
Calculating(this, args);
}
if (args.Cancel == true)
{
// TODO: Log cancellation
}
}
public string Calculate(int digits)
{
StringBuilder pi = new StringBuilder("3", digits + 2);
string result = null;
try
{
if (digits > 0)
{
// TODO: Add Tracing around the calculation
using (Tracer trace = traceMgr.StartTrace(Category.Trace))
{
pi.Append(".");
for (int i = 0; i < digits; i += 9)
{
CalculatingEventArgs args;
args = new CalculatingEventArgs(pi.ToString(), i + 1);
OnCalculating(args);
// Break out if cancelled
if (args.Cancel == true)
{
break;
}
// Calculate next 9 digits
int nineDigits = NineDigitsOfPi.StartingAt(i + 1);
int digitCount = Math.Min(digits - i, 9);
string ds = string.Format("{0:D9}", nineDigits);
pi.Append(ds.Substring(0, digitCount));
}
}
}
result = pi.ToString();
// Tell the world I've finished!
OnCalculated(new CalculatedEventArgs(result));
}
catch (Exception ex)
{
// Tell the world I've crashed!
OnCalculatorException(new CalculatorExceptionEventArgs(ex));
}
return(result);
}
protected void OnCalculating(CalculatingEventArgs args)
{
// TODO: Log progress
CalculatorEventSource.Log.Calculating(args.StartingAt, args.Pi, args.Cancel);
if (Calculating != null)
{
Calculating(this, args);
}
if (args.Cancel == true)
{
// TODO: Log cancellation
CalculatorEventSource.Log.CalculationCanceled();
}
}
protected void OnCalculating(CalculatingEventArgs args)
{
// TODO: Log progress
Logger.Write(
string.Format("Calculating next 9 digits from {0}", args.StartingAt),
Category.General,
Priority.Low,
100);
if (Calculating != null)
{
Calculating(this, args);
}
if (args.Cancel == true)
{
// TODO: Log cancellation
Logger.Write("Calculation cancelled by user!", Category.General, Priority.High, 100);
}
}