private void chartTrends_MouseDown(object sender, MouseEventArgs e)
{
var result = chartTrends.HitTest(e.X, e.Y);
if (result.ChartElementType != ChartElementType.DataPoint)
{
return;
}
var index = result.PointIndex;
var pt = result.Series.Points[index];
CursorPosition = DateTime.FromOADate(pt.XValue);
var lvi = lvTrends.FindItemWithText(result.Series.Name);
if (lvi != null)
{
lvTrends.FocusedItem = lvi;
lvi.Selected = true;
lvTrends.EnsureVisible(lvi.Index);
_lastSelected = result.Series.Name;
}
// заполнение остальных значений
FillCursorsData(CursorPosition);
tslCursorPositionDate.Text = @"Позиция курсора: " + CursorPosition.ToString("dd.MM.yy HH:mm.ss.fff");
AddCursorLinePoints(CursorPosition);
tsbZoomIn.Enabled = true;
tsbZoomOut.Enabled = true;
}
public void Loaded()
{
Data.UpdateProductTree(tvNavigator, DisplayIndex);
UpdateChart();
InitTrendsList();
fileSystemWatcher1.Path = Data.HistoryFolder;
_minutes = Data.Session.ReadInteger("TrendShowed" + DisplayIndex, "TimeRange", 20);
tsbNextTime.Enabled = false;
foreach (var dropitem in tsbTimeSelect.DropDownItems.Cast <ToolStripDropDownItem>()
.Where(dropitem => dropitem.Tag != null &&
(string)dropitem.Tag == _minutes.ToString("0")))
{
tsbTimeSelect.Text = dropitem.Text;
break;
}
_offset = Data.Session.ReadInteger("TrendShowed" + DisplayIndex, "TimeOffset", 0);
if (_offset > 0)
{
tsbNextTime.Enabled = true;
}
_cursorPosition = Data.Session.ReadDateTime("TrendShowed" + DisplayIndex, "TimePosition", DateTime.MinValue);
if (_cursorPosition == DateTime.MinValue)
{
ClearDateCursor();
}
else
{
tslCursorPositionDate.Text = @"Позиция курсора: " + CursorPosition.ToString("dd.MM.yy HH:mm.ss.fff");
}
_zoomminutes = Data.Session.ReadInteger("TrendShowed" + DisplayIndex, "TimeZoom", _minutes);
if (_zoomminutes < _minutes && _cursorPosition > DateTime.MinValue)
{
tsbNoZoom.Enabled = true;
var dateHighRange = CursorPosition.AddMinutes(_zoomminutes);
var dateLowRange = CursorPosition.AddMinutes(-_zoomminutes);
UpdateChart(dateLowRange, dateHighRange);
FillCursorsData(CursorPosition);
tsbZoomIn.Enabled = true;
tsbZoomOut.Enabled = true;
}
else
{
UpdateChart();
}
}