void Map_ViewChangedEvent(object sender, MapInfo.Mapping.ViewChangedEventArgs e)
{
// Display the zoom level
Double dblZoom = System.Convert.ToDouble(String.Format("{0:E2}", mapControl1.Map.Zoom.Value));
if (statusStrip1.Items.Count > 0)
{
statusStrip1.Items[0].Text = "缩放: " + dblZoom.ToString() + " " + MapInfo.Geometry.CoordSys.DistanceUnitAbbreviation(mapControl1.Map.Zoom.Unit);
}
}
void Map_ViewChangedEvent(object sender, MapInfo.Mapping.ViewChangedEventArgs e)
{
// Display the zoom level
Double dblZoom = System.Convert.ToDouble(String.Format("{0:E2}", mapControl1.Map.Zoom.Value));
if (statusStrip1.Items.Count > 0)
{
statusStrip1.Items[0].Text = "缩放: " + dblZoom.ToString() + " " + MapInfo.Geometry.CoordSys.DistanceUnitAbbreviation(mapControl1.Map.Zoom.Unit);
}
if (Session.Current.Catalog.GetTable("EagleEyeTemp") == null)
{
loadEagleLayer();
}
Table tblTemp = Session.Current.Catalog.GetTable("EagleEyeTemp");
try
{
(tblTemp as ITableFeatureCollection).Clear();
}
catch (Exception)
{ }
try
{
// 主地图发生改变是对鹰眼地图进行相应的画框操作
if (mapControl2.Map.Layers["MyEagleEye"] != null)
{
mapControl2.Map.Layers.Remove(eagleEye);
}
DRect rect = mapControl1.Map.Bounds;
FeatureGeometry fg = new MapInfo.Geometry.Rectangle(mapControl1.Map.GetDisplayCoordSys(), rect);
SimpleLineStyle vLine = new SimpleLineStyle(new LineWidth(2, LineWidthUnit.Point), 2, Color.Red);
SimpleInterior vInter = new SimpleInterior(9, Color.Yellow, Color.Yellow, true);
CompositeStyle cStyle = new CompositeStyle(new AreaStyle(vLine, vInter), null, null, null);
fRec = new Feature(fg, cStyle);
tblTemp.InsertFeature(fRec);
eagleEye = new FeatureLayer(tblTemp, "EagleEye ", "MyEagleEye");
mapControl2.Map.Layers.Insert(0, eagleEye);
}
catch (Exception)
{ }
}