ArcGis面要素空间连接，取相交面积最大者 C#

核心代码：

  1         #region JoinWork_IntersectMax
  2         private void CreateNewFields_IntersectMax(IFeatureClass destFeatureClass,IFeatureClass sourceFeatureClass)
  3         {
  4             List fieldList = new List();
  5             foreach (var item in this.chkField.CheckedItems)
  6             {
  7                 IField field=sourceFeatureClass.Fields.get_Field( sourceFeatureClass.Fields.FindField(item.ToString()));
  8                 fieldList.Add(field);
  9             }
 10             string[] fieldArray = Utils.FieldUtils.GetFieldsNameArray(destFeatureClass);
 11             foreach (IField field in fieldList)
 12             {
 13                 if (!fieldArray.Contains(field.Name))
 14                 {
 15                     Utils.FieldUtils.CreateField(destFeatureClass, field.Type, field.Name, "Source_"+ field.Name, field.Length, field.Precision, field.Scale);
 16                 }
 17             }
 18         }
 19         private void GetFieldIndex(IFeatureClass destFeatureClass, IFeatureClass sourceFeatureClass, out List<int