/// <summary>
/// 高亮单个IFeature
/// </summary>
/// <param name="myIFeatureLayer">IFeatureLayer扩展对象</param>
/// <param name="myIFeature">IFeature对象</param>
/// <param name="blClearSelection">是否清除原有高亮图元</param>
public static void HightLightIFeature(this IFeatureLayer myIFeatureLayer, IFeature myIFeature, bool blClearSelection)
{
List <IFeature> lstIFeature = new List <IFeature>();
lstIFeature.Add(myIFeature);
myIFeatureLayer.HightLightIFeatures(lstIFeature, blClearSelection);
}