public static async Task <double> calcPiAsync()
{
Task <double> t = new Task <double>(() =>
{
return(Prakt4.ParallelPi_Tasks());
});
t.Start();
double result = await t;
return(result);
}
// calc pi
private async void button2_Click(object sender, EventArgs e)
{
progressBar1.Value = 0;
var sw = Stopwatch.StartNew();
Task <double> t = new Task <double>(() =>
{
return(Prakt4.ParallelPi_Tasks());
});
t.Start();
double result = await t;
sw.Stop();
pi_calc = result;
textBox2.Text = result.ToString();
label2.Text = sw.ElapsedMilliseconds.ToString() + " ms";
progressBar1.Value = 100;
}