private void OnActiveViewEventsAfterDraw(ESRI.ArcGIS.Display.IDisplay display, ESRI.ArcGIS.Carto.esriViewDrawPhase phase)
{
ESRI.ArcGIS.Carto.esriViewDrawPhase m_phase = phase;
//if the drawing pahse geography, find all feature layer and selected feature and draw them on screen if they are polygons. Please note don't call display::StartDrawing as it is already started by the system.
if (m_phase == ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeography)
{
IMap m_Map = m_MxDoc.FocusMap;
ESRI.ArcGIS.esriSystem.UID m_UID = new ESRI.ArcGIS.esriSystem.UID();
m_UID.Value = "{40A9E885-5533-11d0-98BE-00805F7CED21}";
IEnumLayer m_EnumLayer = m_Map.Layers[m_UID];
ILayer m_Layer = m_EnumLayer.Next();
//if you want to change the selection color you can change it here.
ISimpleFillSymbol m_FillSymbol = new SimpleFillSymbol();
m_Rgb = new RgbColor();
m_Rgb.Red = 255;
m_FillSymbol.Color = m_Rgb;
display.SetSymbol(m_FillSymbol as ISymbol);
do
{
if (m_Layer is IFeatureLayer)
{
if (m_Layer != null)
{
IFeatureSelection m_FeatureSelection = (IFeatureSelection)m_Layer;
ISelectionSet m_SelSet = m_FeatureSelection.SelectionSet;
IFeatureCursor m_FeatCur;
ICursor m_Cursor;
m_SelSet.Search(null, false, out m_Cursor);
m_FeatCur = (IFeatureCursor)m_Cursor;
IFeature m_Feature;
m_Feature = m_FeatCur.NextFeature();
do
{
if (m_Feature != null)
{
if (m_Feature.Shape is IPolygon)
{
display.DrawPolygon(m_Feature.Shape);
}
}
m_Feature = m_FeatCur.NextFeature();
} while (m_Feature != null);
}
}
m_Layer = m_EnumLayer.Next();
} while (m_Layer != null);
}
#endregion
}
private void OnActiveViewEventsViewRefreshed(ESRI.ArcGIS.Carto.IActiveView view, ESRI.ArcGIS.Carto.esriViewDrawPhase phase, System.Object data, ESRI.ArcGIS.Geometry.IEnvelope envelope)
{
if (!_iscloned)
{
return;
}
if (!_isthisadmin)
{
return;
}
try
{
//first check if the map extent has changed
if (ExtentHasChanged())
{
//this flag is to avoid an infinite loop; any change to the map will cause this 'view refresh'
//event to be fired again
if (_firstRefresh)
{
_firstRefresh = false;
using (StreamWriter sw = new StreamWriter(_extentfile))
{
sw.WriteLine(_currentExtent.XMin.ToString());
sw.WriteLine(_currentExtent.XMax.ToString());
sw.WriteLine(_currentExtent.YMin.ToString());
sw.WriteLine(_currentExtent.YMax.ToString());
sw.WriteLine(Math.Round(_map.MapScale).ToString());
}
}
}
}
catch (Exception ex)
{
string message = ex.Message;
}
}
private void OnActiveViewEventsViewRefreshed(ESRI.ArcGIS.Carto.IActiveView view, ESRI.ArcGIS.Carto.esriViewDrawPhase phase, System.Object data, ESRI.ArcGIS.Geometry.IEnvelope envelope)
{
IPoint point = new Point();
IPoint lowerLeftPoint = new Point();
IPoint upperRightPoint = new Point();
double latXmin, latXmax, longYmin, longYmax, diagonal;
lowerLeftPoint.X = view.Extent.XMin;
lowerLeftPoint.Y = view.Extent.YMin;
upperRightPoint.X = view.Extent.XMax;
upperRightPoint.Y = view.Extent.YMax;
PointToLatLong(lowerLeftPoint, out latXmin, out longYmin);
PointToLatLong(upperRightPoint, out latXmax, out longYmax);
diagonal = Distance(latXmin, longYmin, latXmax, longYmax, 'K') * 1000; // "1KM * 1000
diagonal = Math.Round(diagonal, 2);
_altitude = Convert.ToString(0.5 * Math.Sqrt(3) * diagonal, CultureInfo.InvariantCulture);
point.X = (view.Extent.XMax + view.Extent.XMin) / 2;
point.Y = (view.Extent.YMax + view.Extent.YMin) / 2;
Double lat;
Double lon;
PointToLatLong(point, out lat, out lon);
lat = Math.Round(lat, 5);
lon = Math.Round(lon, 5);
_latitude = Convert.ToString(lat, CultureInfo.InvariantCulture);
_longitude = Convert.ToString(lon, CultureInfo.InvariantCulture);
CreateTrackingKML();
}