private void CalculateWorker(int numberToTest, AsyncOperation asyncOp)
{
bool isPrime = false;
int firstDivisor = 1;
Exception e = null;
if (!TaskCanceled(asyncOp.UserSuppliedState))
{
try
{
ArrayList primes = BuildPrimeNumberList(numberToTest, asyncOp);
isPrime = IsPrime(primes, numberToTest, out firstDivisor);
}
catch (Exception ex)
{
e = ex;
}
}
if (!TaskCanceled(asyncOp.UserSuppliedState))
{
lock (userStateToLifetime.SyncRoot)
{
userStateToLifetime.Remove(asyncOp.UserSuppliedState);
}
}
CalculatePrimeCompletedEventArgs eventArgs = new CalculatePrimeCompletedEventArgs(e, TaskCanceled(asyncOp.UserSuppliedState), asyncOp.UserSuppliedState);
asyncOp.PostOperationCompleted(onCompletedDelegate, eventArgs);
}
private static void primeNumberCalculator1_CalculatePrimeCompleted(object sender, CalculatePrimeCompletedEventArgs e)
{
if (e.Cancelled)
{
}
else if (e.Error != null)
{
}
}
private void CalculateCompleted(object operationState)
{
CalculatePrimeCompletedEventArgs e = operationState as CalculatePrimeCompletedEventArgs;
CalculatePrimeCompleted?.Invoke(this, e);
}