async Task tick333ms()
{
if (_swMain.Elapsed.TotalMinutes == 0)
{
return;
}
//autoPause();
CrntCpm = PupilInput.Length / _swMain.Elapsed.TotalMinutes; //CurInfo = $" Typed {(PupilInput.Length),3:N0}\t Elapsed {_sw.Elapsed:mm\\:ss}\t Speed {CrntCpm:N0}";
IsRecord = CrntCpm > _recordCpm;
var now = DateTime.Now;
if (_swMain.IsRunning && PupilInput.Length > 0 && now > _nextMeasureTime)
{
var dLen = PupilInput.Length - _prevCharLen;
var dMin = _swMain.Elapsed.TotalMinutes - _prevMinutes;
if (dMin > 0)
{
PrgsChart.Add(new VeloMeasure {
SppedCpm = (int)(dLen / dMin), PrevRcrd = _recordCpm
});
}
_prevMinutes = _swMain.Elapsed.TotalMinutes;
_prevCharLen = PupilInput.Length;
_nextMeasureTime = now.Add(_measurePeriod);
}
await Task.Yield();
}
async void sessionLoad_Start_lazy() // timing will start on the first keystroke.
{
LessonText = LessonHelper.GetLesson(LesnTyp, SubLesnId);
LessonLen = LesnTyp == LessonType.PhrasesRandm ? LessonText.Length - LessonHelper.PaddingLen : LessonText.Length;
PupilInput = "";
_swMain.Reset();
/*updateUserLessonLst(false)*/
;
PrgsChart.Clear();
IsInSsn = IsCorrect = true;
IsFocusedSB = false; await Task.Delay(9); refreshUiSynch(); await refreshUi();
IsFocusedPI = false; await Task.Delay(9); refreshUiSynch(); await refreshUi();
IsFocusedPI = true; await Task.Delay(99); refreshUiSynch(); await refreshUi(); //this acrobatics seems to bring focus to the textbox.
}