private async void computeButton_Click(object sender, EventArgs e)
{
computeButton.Enabled = false;
Computation c = new Computation();
int m = Environment.TickCount % 10 + 20;
long r = await c.ComputeAsync(1, m);
outputLabel.Text = $"Result = {r}";
computeButton.Enabled = true;
}
private async void computeButton_Click(object sender, EventArgs e)
{
resultLabel.Text = "Computing...";
computeButton.Enabled = false;
int n = 20 + Environment.TickCount % 11;
Computation c = new Computation();
long r = await c.ComputeAsync(1, n);
resultLabel.Text = $"Result = {r}";
computeButton.Enabled = true;
}
private async void computeButton_Click(object sender, EventArgs e)
{
outputLabel.Text = "Busy";
computeButton.Enabled = false;
Computation c = new Computation();
int n = 20 + Environment.TickCount % 6;
long result = await c.ComputeAsync(1, n);
outputLabel.Text = $"Result is {result}";
computeButton.Enabled = true;
}
/*
* private static Task DoComputation()
* {
* Console.Write("Computing...");
*
* Computation c = new Computation();
* return c.ComputeAsync(1, 20)
* .ContinueWith(t =>
* {
* long r = t.Result;
* Console.WriteLine("Done!");
* Console.WriteLine("Result = {0}", r);
* });
* }
*/
//this method can return a task using 'await' statement
private static async Task DoComputation()
{
Console.Write("Computing...");
Computation c = new Computation();
long r = await c.ComputeAsync(1, 20);
//return the awaited task to the caller and execute the code
//below after the awaited task is completed
Console.WriteLine("Done!");
Console.WriteLine("Result = {0}", r);
}
//This method will return control to the caller using await
private async static Task DoComputation()
{
Console.Write("Computing...");
Computation c = new Computation();
//control is returned to the caller while the awaited task executes
long result = await c.ComputeAsync(1, 20);
//following code will execute after awaited task is completed
Console.WriteLine("Done!");
Console.WriteLine("Result = {0}", result);
}
/*
* private static Task DoComputation()
* {
* Console.Write("Computing...");
*
* Computation c = new Computation();
*
* return c.ComputeAsync(1, 20)
* .ContinueWith(t =>
* {
* long r = t.Result;
*
* Console.WriteLine("Done!");
* Console.WriteLine("Result = {0}", r);
* }
* );
* }
*/
// this method will return a task using await statement
private static async Task DoComputation()
{
Console.Write("Computing...");
Computation c = new Computation();
long r = await c.ComputeAsync(1, 20);
// will return the awaited task and will continue
// the execution of code below after the awaited task completes
Console.WriteLine("Done!");
Console.WriteLine("Result = {0}", r);
}
