/// <summary>Raises the <see cref="Satellite"/> event</summary>
/// <param name="e">Event arguments</param>
protected virtual void OnSatellite(GpsSatelliteEventArgs e)
{
if (Satellite != null)
{
Satellite(this, e);
}
}
private void GpsSatellite(GpsProvider sender, GpsSatelliteEventArgs e)
{
//Don't want the form to lock up if nothing's happening.
System.Threading.Thread.Sleep(200);
if (this.IsDisposed) return;
if (InvokeRequired)
{
if ((DateTime.Now - lastGpsSatellite).TotalMilliseconds < 200)
{
return;
}
BeginInvoke(new GpsSatelliteEventHandler(GpsSatellite), sender, e);
return;
}
lastGpsSatellite = DateTime.Now;
List<GpsSatellite> satl = new List<GpsSatellite>();
foreach (GpsSatellite sat in e.Satellites)
{
if (sat.ID != 0)
{
satl.Add(sat);
}
}
if ((lblId == null) || (lblId.Length != satl.Count))
{
CreateLabels(satl.Count);
}
int i = 0;
lvwSatellites.Items.Clear();
foreach (var sat in satl)
{
lblId[i].Text = sat.ID.ToString();
lblSnr[i].Tag = sat.SignalToNoiseRatio;
lblSnr[i].Text = sat.SignalToNoiseRatio.ToString();
lblSnr[i].BackColor = GetColorFromSnr(sat.SignalToNoiseRatio, sat.Active);
lblSnr[i].ForeColor = Color.FromArgb((byte)~lblSnr[i].BackColor.R, (byte)~lblSnr[i].BackColor.G, (byte)~lblSnr[i].BackColor.B);
ListViewItem itm = new ListViewItem(new[]{
sat.ID.ToString(),
sat.SignalToNoiseRatio.ToString(),
sat.Active.ToString(),
sat.Azimuth.ToString(),
sat.Elevation.ToString()
});
lvwSatellites.Items.Add(itm);
++i;
}
PosLabels();
satellites = satl;
panPosition.Invalidate();
}
/// <summary>Called when GPS device receives information about satellites</summary>
/// <param name="sender">A GPS provider</param>
/// <param name="e">Event arguments containing information about sattellites</param>
private void GpsSatelliteEvent(GpsProvider sender, GpsSatelliteEventArgs e)
{
if (statistic == null && InvokeRequired)
{
BeginInvoke(new GpsSatelliteEventHandler(GpsSatelliteEvent), sender, e);
return;
}
int cnt = 0;
foreach (GpsSatellite sat in e.Satellites)
{
if (sat.SignalToNoiseRatio != 0)
{
++cnt;
}
}
if (statistic != null)
{
statistic.CurrentSats = cnt;
}
else
{
lblSatellites.Text = cnt.ToString();
}
}
/// <summary>Raises the <see cref="Satellite"/> event</summary>
/// <param name="e">Event arguments</param>
protected virtual void OnSatellite(GpsSatelliteEventArgs e)
{
if (Satellite != null) Satellite(this, e);
}
