protected virtual void OnPointFetched(MapObjects2.Point e)
{
if (PointFetchedEvent != null && e != null)
{
PointFetchedEvent(null, e);
}
}
private void mapControl_MouseDownEvent(object sender, AxMapObjects2._DMapEvents_MouseDownEvent e)
{
MapObjects2.Point oMousePosition = mapControl.ToMapPoint(e.x, e.y);
MapUtil.MapOperation oMapOper = new GPSTrackingMonitor.MapUtil.MapOperation();
switch (GlobeVariables.CurrentOperation)
{
case GPSTrackingMonitor.MapUtil.MapOperationType.ZoomIn:
oMapOper.ZoomInMap(mapControl.TrackRectangle(),ref mapControl);
break;
case GPSTrackingMonitor.MapUtil.MapOperationType.ZoomOut:
oMapOper.ZoomOutMap(mapControl.TrackRectangle(), ref mapControl);
break;
case GPSTrackingMonitor.MapUtil.MapOperationType.Pan:
mapControl.Pan();
break;
case GPSTrackingMonitor.MapUtil.MapOperationType.Measure:
this._measureLine = mapControl.TrackLine();
this.labMeasure.Text = string.Format("长度 ： {0} 米", oMapOper.ComputeDistance(this._measureLine).ToString());
break;
case GPSTrackingMonitor.MapUtil.MapOperationType.Identify:
MapUtil.FeatureInformations oFeatureInfos = oMapOper.GetIdentifyFeatureInfos(oMousePosition, this.mapControl,GlobeVariables.MapInfosCollection);
this._frmIdentify.UpdateFeatureInfos(oFeatureInfos, MousePosition);
break;
case GPSTrackingMonitor.MapUtil.MapOperationType.FetchPoint:
this.OnPointFetched(oMousePosition);
break;
default:
break;
}
}
public FeatureInformations GetIdentifyFeatureInfos(MapObjects2.Point mousePosition, AxMapObjects2.AxMap mapControl, MapProject.MapStruct mapInfosCollection)
{
FeatureInformations oFeatureInfos = null;
foreach (ILayerStruct oLayerInfos in mapInfosCollection.Layers)
{
if (oLayerInfos.LayerType != (short)LayerTypeConstants.moMapLayer)
{
continue;
}
MapUtil.MapOperation oMapOper = new MapOperation();
MapObjects2.MapLayer oMapLayer = oMapOper.GetLayerByName(mapControl, oLayerInfos.AliasName) as MapObjects2.MapLayer;
if (oMapLayer.Visible == false)
{
continue;
}
Recordset oSelectedRecords = oMapLayer.SearchShape(mousePosition, SearchMethodConstants.moAreaIntersect, "");
if (oSelectedRecords.EOF)
{
continue;
}
oSelectedRecords.MoveFirst();
oFeatureInfos = new FeatureInformations();
oFeatureInfos.CurrentLayerInfos = oLayerInfos;
oFeatureInfos.Geometry = oSelectedRecords.Fields.Item("shape").Value;
TableDesc oTableDesc = oSelectedRecords.TableDesc;
oFeatureInfos.FieldsAndValuesCollection = new Dictionary <string, string>();
int iFieldsCount = oTableDesc.FieldCount;
string sFieldName = "";
string sValue = "";
for (short i = 0; i < iFieldsCount; i++)
{
sFieldName = oTableDesc.get_FieldName(i);
sValue = oSelectedRecords.Fields.Item(sFieldName).ValueAsString;
oFeatureInfos.FieldsAndValuesCollection.Add(sFieldName, sValue);
}
break;
}
return(oFeatureInfos);
}
private void mapControl_MouseMoveEvent(object sender, AxMapObjects2._DMapEvents_MouseMoveEvent e)
{
MapObjects2.Point oMousePosition = mapControl.ToMapPoint(e.x, e.y);
this.labCoordinates.Text = string.Format("坐标 ： X = {0}, Y = {1}", oMousePosition.X.ToString(), oMousePosition.Y.ToString());
}
