private void LoadTrendData(DataLoadKind loadKind, DateTime aBeg, DateTime aEnd)
{
RefreshNavigation();
if (loadKind == DataLoadKind.dlkByStart)
{
for (int i = 0; i < MAX_TRENDS; i++)
{
TrendChart1[i].Clear();
}
}
DateTime begDateTime = DateTime.Now;
DateTime endDateTime = DateTime.Now;
GetTimeRange(ref begDateTime, ref endDateTime);
TrendChart1.BegDateTime = begDateTime;
TrendChart1.EndDateTime = endDateTime;
TrendChart1.ForeColor = Color.Black;
TrendChart1.RulerColor = Color.Black;
TrendChart1.XAxisColor = Color.Black;
TrendChart1.CrossRuler = true;
TrendChart1.DateCode = 0;
TrendChart1.DayCode = 0;
TrendChart1.MonthCode = 0;
TrendChart1.YearCode = 0;
TrendChart1.AroundZoom = true;
TrendChart1.Legend = true;
TrendChart1.BeginUpdate();
for (int k = 0; k < MAX_TRENDS; k++)
{
int num2 = k / 4;
int num3 = k % 4;
TrendObj trendObj = TrendChart1[k];
//if (trendObj == null) continue;
switch (k)
{
case 0:
trendObj.Color = Color.Red;
break;
case 1:
trendObj.Color = Color.Green;
break;
case 2:
trendObj.Color = Color.Black;
break;
case 3:
trendObj.Color = Color.Blue;
break;
case 4:
trendObj.Color = Color.Fuchsia;
break;
case 5:
trendObj.Color = Color.Navy;
break;
case 6:
trendObj.Color = Color.Olive;
break;
case 7:
trendObj.Color = Color.Purple;
break;
}
trendObj.AxisSign = "[" + Convert.ToString(k) + "]";
trendObj.ScaleIndex = num3 + 1;
trendObj.PosY = num2 + 1;
if (!string.IsNullOrEmpty(trendObj.Tag))
{
float zero, span;
PIBUtils.piLoadTrend(trendObj.Series, trendObj.Tag, (LoadFlags)0, aBeg, aEnd, out zero, out span);
double sum = 0.0;
if (trendObj.Series.Count > 0)
{
AnalitikMAX[k] = trendObj.Series[0].pValue;
AnalitikMIN[k] = trendObj.Series[0].pValue;
}
else
{
AnalitikMAX[k] = 0.0;
AnalitikMIN[k] = 0.0;
}
for (int i = 0; i < trendObj.Series.Count; i++)
{
TrendPoint trendPt = trendObj.Series[i];
sum = (sum + trendPt.pValue);
if (trendPt.pValue >= AnalitikMAX[k])
{
AnalitikMAX[k] = trendPt.pValue;
}
if (trendPt.pValue <= AnalitikMIN[k])
{
AnalitikMIN[k] = trendPt.pValue;
}
}
if (trendObj.Series.Count != 0)
{
AnalitikAVG[k] = (sum / (double)trendObj.Series.Count);
}
else
{
AnalitikAVG[k] = 0.0;
}
if (trendObj.Series.Count > 0)
{
fLastUpdate = trendObj.Series[trendObj.Series.Count - 1].pTime;
}
else
{
fLastUpdate = 0;
}
}
else
{
trendObj.Visible = false;
AnalitikMAX[k] = 0.0;
AnalitikMIN[k] = 0.0;
}
}
TrendChart1.FiltersApply();
TrendChart1.DrawTrends();
TrendChart1.EndUpdate();
TrendChart1.Invalidate();
}