/// <summary>
/// 复制源要素类的表结构，创建一个空的要素类
/// </summary>
/// <param name="sourceClass">源要素类</param>
/// <param name="targetObject">IWorkspace、IFeatureWorkspace或IFeatureDataset对象，在该对象中创建新要素类</param>
/// <param name="name">新要素类名称</param>
/// <param name="geoType">要素类的几何类型</param>
/// <param name="aliasName">新要素类别名，值为null则别名与名字相同</param>
/// <returns></returns>
public static IFeatureClass CopyStruct(this IFeatureClass sourceClass, object targetObject, string name, esriGeometryType geoType, string aliasName = null)
{
var spatialRef = sourceClass.GetSpatialRef();
var feilds = sourceClass.CloneFeatureClassFieldsSimple();
var featureClass = Create(targetObject, name, spatialRef, geoType, feilds);
if (!String.IsNullOrEmpty(aliasName))
{
featureClass.RenameFeatureClassAliasName(aliasName);
}
return(featureClass);
}
/// <summary>
/// 复制源要素类的表结构，创建一个空的要素类
/// </summary>
/// <param name="sourceClass">源要素类</param>
/// <param name="targetFullPath">新要素类的保存路径</param>
/// <param name="geoType">要素类的几何类型</param>
/// <param name="aliasName">新要素类别名，值为null则别名与名字相同</param>
/// <returns></returns>
public static IFeatureClass CopyStruct(this IFeatureClass sourceClass, string targetFullPath, esriGeometryType geoType, string aliasName = null)
{
var spatialRef = sourceClass.GetSpatialRef();
var feilds = sourceClass.CloneFeatureClassFieldsSimple();
var shapeField = FieldOpt.CreateShapeField(geoType, spatialRef);
((IFieldsEdit)feilds).AddField(shapeField);
var featureClass = FeatureClassEx.CreateToPath(targetFullPath, feilds);
if (!String.IsNullOrEmpty(aliasName))
{
featureClass.RenameFeatureClassAliasName(aliasName);
}
return(featureClass);
}
