private static void ShowRouteMethod(AxMapControl mapControl, IFeature pFeature)
{
IEnvelope pEnvelope = pFeature.Extent;
double width = pEnvelope.Width;
double height = pEnvelope.Height;
pEnvelope.XMax += width * 1.5;
pEnvelope.XMin -= width * 1.5;
pEnvelope.YMax += height * 1.5;
pEnvelope.YMin -= height * 1.5;
mapControl.Extent = pEnvelope;
SymbolUtil.DrawLineSymbol(mapControl, pFeature.Shape as IGeometry);
}
/// <summary>
/// 路线结果显示方法 线程安全
/// </summary>
/// <param name="featureLayer"></param>
/// <param name="mapControl"></param>
public void showRouteShape(IFeatureLayer featureLayer, AxMapControl mapControl)
{
IQueryFilter pQueryFilter = new QueryFilter();
pQueryFilter.WhereClause = "";
IFeatureCursor pCursor = featureLayer.FeatureClass.Search(pQueryFilter, false);
mapControl.Map.AreaOfInterest = featureLayer.AreaOfInterest;
//实际上路线分析结果只有一个要素 只是为了保险
IFeature pFeature = pCursor.NextFeature();
while (pFeature != null)
{
#region 更新地图显示范围为要素范围
ShowRouteMethod(mapControl, pFeature);
#endregion
SymbolUtil.DrawLineSymbol(mapControl, pFeature.Shape as IGeometry);
pFeature = pCursor.NextFeature();
}
}