/// <summary>
/// 2.3 way to report progress from task
/// </summary>
/// <param name="progress"></param>
/// <returns></returns>
public static Task <long> Progress(IProgress <int> progress = null)
{
//also IProgress can be used for non-async code too
var tcs = new TaskCompletionSource <long>();
Task <long> t1 = tcs.Task;
Task.Run(() =>
{
long ret = 0;
for (int i = 0; i < 10; i++)
{
ret += LongRunningJob.CalcSum(1000);
progress?.Report(i);
}
tcs.SetResult(ret);
});
return(t1);
}
private void SetResult()
{
_result = LongRunningJob.CalcSum(_awaitable._token);
}