private void OnStartClick(object sender, EventArgs e)
{
progressBar.Value = 0;
lblProgress.Visible = true;
btnStart.Enabled = false;
btnCancel.Visible = true;
cbUseBackgroundWorker.Enabled = false;
if (cbUseBackgroundWorker.Checked)
{
backgroundWorker.RunWorkerAsync((int)udIterations.Value);
}
else
{
PiCalculator piCalc = new PiCalculator();
for (int i = 0; i < 100; i++)
{
piCalc.Run((int)udIterations.Value / 100);
ReportProgress(piCalc.PI, i);
}
ReportProgress(piCalc.PI, 100);
WorkCompleted();
}
}
private void OnDoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = (BackgroundWorker)sender;
worker.ReportProgress(0);
PiCalculator piCalc = new PiCalculator();
int numIterations = (int)e.Argument;
for (int i = 0; i < 100; i++)
{
piCalc.Run(numIterations / 100);
worker.ReportProgress(i, piCalc.PI);
if (worker.CancellationPending)
{
break;
}
}
worker.ReportProgress(100, piCalc.PI);
}