获取要素类
///
/// 获取所有要素类
///
/// 要素集
///
public static List
{
IFeatureClassContainer featureClassContainer = (IFeatureClassContainer)featureDataset;
IEnumFeatureClass enumFeatureClass = featureClassContainer.Classes;
IFeatureClass featureClass = enumFeatureClass.Next();
List
while (featureClass != null)
{
featureClassList.Add(featureClass);
featureClass = enumFeatureClass.Next();
}
return featureClassList;
}
///
/// 获取要素类
///
/// 要素数据集
/// 要素类名称
///
public static IFeatureClass GetFeatureClass(IFeatureDataset featureDataset, string featureClassName)
{
IFeatureClassContainer featureClassContainer = (IFeatureClassContainer)featureDataset;
IEnumFeatureClass enumFeatureClass = featureClassContainer.Classes;
IFeatureClass featureClass = enumFeatureClass.Next();
while (featureClass != null)
{
if (featureClass.AliasName == featureClassName)
{
return featureClass;
}
featureClass = enumFeatureClass.Next();
}
return null;
}
///
/// 根据名称获取要素类对象
///
/// gdb路径
/// 要素数据集
/// 要素类名称
///
public static IFeatureClass GetFeatureClass(string gdbPath, string datasetName, string featureClassName)
{
IFeatureDataset featureDataset = GetDataSet(gdbPath, datasetName);
IFeatureClassContainer featureClassContainer = (IFeatureClassContainer)featureDataset;
IEnumFeatureClass enumFeatureClass = featureClassContainer.Classes;
IFeatureClass featureClass = enumFeatureClass.Next();
while (featureClass != null)
{
if (featureClass.AliasName == featureClassName)
{
return featureClass;
}
featureClass = enumFeatureClass.Next();
}
return null;
}