private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
// Get the input values.
FindPrimesInput input = (FindPrimesInput)e.Argument;
// Start the search for primes and wait.
int[] primes = MultithreadingWorker.Worker.FindPrimes(input.From, input.To, backgroundWorker);
if (backgroundWorker.CancellationPending)
{
e.Cancel = true;
return;
}
// Paste the list of primes together into one long string.
StringBuilder sb = new StringBuilder();
foreach (int prime in primes)
{
sb.Append(prime.ToString());
sb.Append(" ");
}
// Return the result.
e.Result = sb.ToString();
}
private void cmdFind_Click(object sender, EventArgs e)
{
// Disable the button.
cmdFind.Enabled = false;
statusPanel.Text = "";
// Get the search range.
int from, to;
if (!Int32.TryParse(txtFrom.Text, out from))
{
MessageBox.Show("Invalid From value.");
return;
}
if (!Int32.TryParse(txtTo.Text, out to))
{
MessageBox.Show("Invalid To value.");
return;
}
// Start the search for primes on another thread.
FindPrimesInput input = new FindPrimesInput(from, to);
backgroundWorker.RunWorkerAsync(input);
}
private void cmdFind_Click(object sender, EventArgs e)
{
// Disable the button.
cmdFind.Enabled = false;
statusPanel.Text = "";
// Get the search range.
int from, to;
if (!Int32.TryParse(txtFrom.Text, out from))
{
MessageBox.Show("Invalid From value.");
return;
}
if (!Int32.TryParse(txtTo.Text, out to))
{
MessageBox.Show("Invalid To value.");
return;
}
// Start the search for primes on another thread.
FindPrimesInput input = new FindPrimesInput(from, to);
backgroundWorker.RunWorkerAsync(input);
}