public void Read()
{
GearedValues <ObservablePoint> copyValues = new GearedValues <ObservablePoint>();
if (IsReading)
{
return;
}
//lets keep in memory only the last 20000 records,
//to keep everything running faster
IsReading = true;
Action readFromTread = () =>
{
while (IsReading)
{
Thread.Sleep(1000);
//when multi threading avoid indexed calls like -> Values[0]
//instead enumerate the collection
//ChartValues/GearedValues returns a thread safe copy once you enumerate it.
//TIPS: use foreach instead of for
//LINQ methods also enumerate the collections
chartValue.Clear();
chartValue.AddRange(ChartsData.ChartPositionTimeValues);
int len = chartValue.Count;
if (len > 0)
{
//copyValues.AddRange(UAClientForm.ChartPositionTimeValues);
ChartsData.CartesianChartPositionTimeValues.AddRange(chartValue);
for (int i = 0; i < len & ChartsData.ChartPositionTimeValues.Count > 1; i++)
{
ChartsData.ChartPositionTimeValues.RemoveAt(0);
}
}
chartValue.Clear();
}
};
//2 different tasks adding a value every ms
//add as many tasks as you want to test this feature
Task.Factory.StartNew(readFromTread);
//Task.Factory.StartNew(readFromTread);
//Task.Factory.StartNew(readFromTread);
//Task.Factory.StartNew(readFromTread);
//Task.Factory.StartNew(readFromTread);
//Task.Factory.StartNew(readFromTread);
//Task.Factory.StartNew(readFromTread);
//Task.Factory.StartNew(readFromTread);
}
// Clears the graph
public void WipeGraph()
{
series1Values.Clear();
series2Values.Clear();
setLine1Values.Clear();
setLine2Values.Clear();
setLine3Values.Clear();
}