private void QuerySurroundStationFromStationDB(PlaceFreqPlan[] freqs)
{
StationItemsSource.Clear();
ActivityStationItemsSource.Clear();
this.busyIndicator.IsBusy = true;
EventWaitHandle[] waitHandles = new EventWaitHandle[freqs.Length];
for (int i = 0; i < freqs.Length; i++)
{
waitHandles[i] = new AutoResetEvent(false);
}
System.Threading.SynchronizationContext syccontext = System.Threading.SynchronizationContext.Current;
Action <PlaceFreqPlan[], EventWaitHandle[]> action = new Action <PlaceFreqPlan[], EventWaitHandle[]>(this.QuerySurroundStation);
action.BeginInvoke(freqs, waitHandles, obj =>
{
WaitHandle.WaitAll(waitHandles);
syccontext.Send(objs =>
{
this.busyIndicator.IsBusy = false;
CreateSurroundStation(StationItemsSource);
if (ActivityStationItemsSource.Count > 0)
{
SurroundStationSelectorDialog stationdialog = new SurroundStationSelectorDialog(ActivityStationItemsSource);
stationdialog.SaveCallbcak += (result) =>
{
if (result)
{
this.Close();
if (RefreshItemsSource != null)
{
RefreshItemsSource();
}
}
};
stationdialog.ShowDialog();
}
else
{
MessageBox.Show("未查询到周围台站,请重新选择查询条件");
}
}, null);
}, null);
}
/// <summary>
/// 查询周围台站
/// </summary>
private void QuerySurroundStation(PlaceFreqPlan[] freqs, EventWaitHandle[] waitHandles)
{
List <StationInfo> surroundstation = new List <StationInfo>();
for (int i = 0; i < freqs.Length; i++)
{
PlaceFreqPlan freqplan = freqs[i];
string freqRange = (freqplan.MHzFreqFrom).ToString() + ";" + (freqplan.MHzFreqTo).ToString();
#region 真实参数
Point[] points = new Point[freqplan.RangePointList.Count];
for (int p = 0; p < freqplan.RangePointList.Count; p++)
{
GeoPoint point = freqplan.RangePointList[p];
points[p] = new Point()
{
X = point.Longitude,
Y = point.Latitude
};
}
Point leftTop = new Point()
{
X = freqplan.LongitudeRange.Little,
Y = freqplan.LatitudeRange.Great
};
Point RightBottom = new Point()
{
X = freqplan.LongitudeRange.Great,
Y = freqplan.LatitudeRange.Little
};
#endregion
#region 测试数据
//Point[] points = new Point[5]
//{
// new Point(){X=106,Y=36},
// new Point(){X=110,Y=36},
// new Point(){X=110,Y=30},
// new Point(){X=106,Y=30},
// new Point(){X=106,Y=36},
//};
//Point leftTop = new Point()
//{
// X = 106,
// Y = 36
//};
//Point RightBottom = new Point()
//{
// X = 110,
// Y = 30
//};
#endregion
QueryStationData(points, leftTop, RightBottom, freqRange, waitHandles[i], stations =>
{
lock (locked)
{
StationItemsSource.AddRange(stations);
//ActivitySurroundStation activitystation = new ActivitySurroundStation();
//activitystation.ActivityId = this.CurrentActivityPlace.ActivityGuid;
//activitystation.FreqPlan = freqplan;
//activitystation.PlaceId = this.CurrentActivityPlace.Guid;
//ActivityStationItemsSource.Add(activitystation);
}
});
}
}