/// <summary>
/// Get symbols (variables) from PLC
/// </summary>
private void GetSymbols()
{
Symbols.Clear();
foreach (ISymbol symbol in _symbolLoader.Symbols)
{
Tc3Symbols.AddSymbolRecursive(Symbols, symbol);
}
}
private void RefreshDataTimerOnTick(object sender, EventArgs eventArgs)
{
//Stopwatch sw = Stopwatch.StartNew();
if (_scrollViewer == null)
{
return;
}
for (int i = 0; i < (int)_scrollViewer.ViewportHeight; i++)
{
SymbolInfo symbol = SymbolListViewItems[(int)_scrollViewer.VerticalOffset + i];
SymbolListViewItems[(int)_scrollViewer.VerticalOffset + i].CurrentValue = Tc3Symbols.GetSymbolValue(symbol, _plcConnections[_activePlc].Connection);
}
//Debug.WriteLine($"Collecting data from PLC for ListView: {sw.Elapsed}");
}
