public static void ClearFast(this DataPointCollection collection)
{
collection.SuspendUpdates();
while (collection.Count > 0)
{
collection.RemoveAt(collection.Count - 1);
}
collection.ResumeUpdates();
collection.Clear();
}
/// <summary>
/// Speed up MSChart data points clear operations.
/// </summary>
/// <param name="sender"></param>
public static void ClearPoints(this Series sender)
{
DataPointCollection points = sender.Points;
points.SuspendUpdates();
while (points.Count > 0)
{
points.RemoveAt(points.Count - 1);
}
points.ResumeUpdates();
points.Clear(); //Force refresh.
}
private void serial_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
SerialPort sp = (SerialPort)sender;
if (sp.IsOpen)
{
string read = sp.ReadLine().Trim();
if (read.Equals("STOP!") || read.Equals("Done!"))
{
this.Invoke(new Action(delegate()
{
buttonMeasureStart.Enabled = true;
}));
isMeasuring = false;
if (read.Equals("Done!"))
{
this.Invoke(new Action(delegate()
{
buttonSave.Enabled = true;
}));
}
}
if (isMeasuring)
{
String[] split = read.Split("\t".ToCharArray());
if (split.Length == 2)
{
double displacement, force;
displacement = force = 0;
if (Double.TryParse(split[0], out displacement) && Double.TryParse(split[1], out force))
{
System.Windows.Forms.DataVisualization.Charting.DataPointCollection data = chartFDGraph.Series[0].Points;
System.Windows.Forms.DataVisualization.Charting.DataPointCollection point = chartFDGraph.Series[1].Points;
this.Invoke(new Action(delegate()
{
data.AddXY(displacement, force);
if (downTrigger && !upTrigger)
{
point.AddXY(displacement, force);
point[point.Count - 1].Color = Color.Red;
upTrigger = true;
}
if (upTrigger && !downTrigger)
{
point.AddXY(displacement, force);
point[point.Count - 1].Color = Color.Blue;
downTrigger = true;
}
}));
}
}
}
if (read.Equals("Start!"))
{
isMeasuring = true;
this.Invoke(new Action(delegate()
{
buttonMeasureStart.Enabled = false;
}));
}
this.Invoke(new Action(delegate()
{
if (textBoxLog.Text.Length > textBoxLog.MaxLength)
{
textBoxLog.Text = textBoxLog.Text.Substring(textBoxLog.MaxLength / 2);
}
textBoxLog.Text += read + "\r\n";
textBoxLog.Select(textBoxLog.TextLength, 0);
textBoxLog.ScrollToCaret();
}));
}
}
public Series()
{
Points = new DataPointCollection();
}
