/// <summary>
/// 删除图层
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static bool DeleteFeatureClass(this IWorkspace workspace, string name)
{
try
{
IEnumDatasetName pEnumDsName = workspace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);
IDatasetName datasetName = pEnumDsName.Next();
while (datasetName != null)
{
string[] name_arr = datasetName.Name.Split(new char[] { '.', '/', '\\' });
if (name_arr[name_arr.Length - 1].ToUpper() == (name.ToUpper()))
{
IFeatureWorkspaceManage pFWSM = workspace as IFeatureWorkspaceManage;
if (pFWSM.CanDelete((IName)datasetName))
{
pFWSM.DeleteByName(datasetName);
break;
}
}
datasetName = pEnumDsName.Next();
}
return(true);
}
catch
{
return(false);
}
}
/// <summary>
/// 删除特定数据集下的表
/// </summary>
/// <param name="gdbPath">workspace</param>
/// <param name="tableName">表名称</param>
public static void DeleteTable(IWorkspace workspace, string tableName)
{
IFeatureWorkspace featureWorkspace = workspace as IFeatureWorkspace;
IFeatureWorkspaceManage featureWorkspaceMange = (IFeatureWorkspaceManage)featureWorkspace;
//得到的数据集是FeatureClass
//IEnumDatasetName enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);
IEnumDatasetName enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTTable);
IDatasetName datasetName = null;
while ((datasetName = enumDatasetName.Next()) != null)
{
if (datasetName.Name.Equals(tableName))
{
//删除指定要素类(表)
featureWorkspaceMange.DeleteByName(datasetName);
break;
}
}
}
/// <summary>
/// 删除名称包含指定关键字的要素类
/// </summary>
/// <param name="workspace">工作空间</param>
/// <param name="keyWord">关键字，不区分大小写</param>
public static void DeleteFeatureClassesByKeyWord(this IWorkspace workspace, string keyWord)
{
if (!(workspace is IFeatureWorkspace featureWorkspace))
{
throw new Exception("工作空间不是要素类工作空间！");
}
keyWord = keyWord.ToLower();
IFeatureWorkspaceManage featureWorkspaceMange = (IFeatureWorkspaceManage)featureWorkspace;
IEnumDatasetName enumDatasetName = workspace.DatasetNames[esriDatasetType.esriDTFeatureClass];
IDatasetName datasetName;
while ((datasetName = enumDatasetName.Next()) != null)
{
if (datasetName.Name.ToLower().Contains(keyWord))
{
featureWorkspaceMange.DeleteByName(datasetName);//删除指定要素类
}
}
}
/// <summary>
/// 删除一个或多个要素类
/// </summary>
/// <param name="workspace">工作空间</param>
/// <param name="featueClassNames">要删除的要素类的名称，名称不区分大小写</param>
public static void DeleteFeatureClasses(this IWorkspace workspace, params string[] featueClassNames)
{
if (!(workspace is IFeatureWorkspace featureWorkspace))
{
throw new Exception("工作空间不是要素类工作空间！");
}
featueClassNames = featueClassNames.Select(v => v.ToLower()).ToArray();
IFeatureWorkspaceManage featureWorkspaceMange = (IFeatureWorkspaceManage)featureWorkspace;
IEnumDatasetName enumDatasetName = workspace.DatasetNames[esriDatasetType.esriDTFeatureClass];
IDatasetName datasetName;
while ((datasetName = enumDatasetName.Next()) != null)
{
if (featueClassNames.Contains(datasetName.Name.ToLower()))
{
featureWorkspaceMange.DeleteByName(datasetName);//删除指定要素类
}
}
}
/// <summary>
/// 删除特定数据集下的表
/// </summary>
/// <param name="gdbPath">gdb路径</param>
/// <param name="tableName">表名称</param>
public static void DeleteFeatureClass(string gdbPath, string tableName)
{
IWorkspaceFactory worFact = new FileGDBWorkspaceFactory();
IWorkspace workspace = worFact.OpenFromFile(gdbPath, 0);
IFeatureWorkspace featureWorkspace = workspace as IFeatureWorkspace;
IFeatureWorkspaceManage featureWorkspaceMange = (IFeatureWorkspaceManage)featureWorkspace;
//得到的数据集是FeatureClass
//IEnumDatasetName enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTFeatureClass);
IEnumDatasetName enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTTable);
IDatasetName datasetName = null;
while ((datasetName = enumDatasetName.Next()) != null)
{
if (datasetName.Name.Equals(tableName))
{
//删除指定要素类(表)
featureWorkspaceMange.DeleteByName(datasetName);
break;
}
}
}
//删除名称对象
public static void DeleteByName(IFeatureWorkspace pFeaWorkspace, IDatasetName pDatasetName)
{
IFeatureWorkspaceManage pWorkspaceManager = pFeaWorkspace as IFeatureWorkspaceManage;
pWorkspaceManager?.DeleteByName(pDatasetName);
}
/// <summary>
/// 移除拓扑
/// </summary>
/// <param name="pFeaDataet">数据集</param>
/// <param name="pTopoName">拓扑名</param>
/// <param name="outError">异常</param>
public void RemoveTopo(IFeatureDataset pFeaDataet, string topoName, out Exception outError)
{
outError = null;
//topoName = topoName + "_Topology";
IWorkspace pWorkspace = pFeaDataet.Workspace;
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFeatureWorkspaceManage pFeatureWorkspaceManage = pFeatureWorkspace as IFeatureWorkspaceManage;
//if (!((IWorkspaceEdit)pWorkspace).IsBeingEdited())
//{
// //((IWorkspaceEdit)pWorkspace).StartEditing(true);
// //((IWorkspaceEdit)pWorkspace).StartEditOperation();
//}
// int iCount = 0;
// try
// {
try
{
ITopologyContainer pTopoCon = pFeaDataet as ITopologyContainer;
ITopology pTopo = pTopoCon.get_TopologyByName(topoName);
//ISchemaLock pLock = pTopo as ISchemaLock;
//pLock.ChangeSchemaLock(esriSchemaLock.esriExclusiveSchemaLock);
////删除该拓扑下所有的拓扑规则
//RemoveTopoRule(pTopo, out outError);
//if (outError != null) return;
////删除该拓扑下左右的拓扑图层
//RemoveTopoClass(pTopo, out outError);
//if (outError != null) return;
//删除拓扑
IDataset pTopoDt = pTopo as IDataset;
IName pName = pTopoDt.FullName;
IDatasetName ptopodatasetname = pName as IDatasetName;
pFeatureWorkspaceManage.DeleteByName(ptopodatasetname);
//(pTopo as IDataset).Delete();
//pTopo.FeatureDataset.Delete();
//Marshal.ReleaseComObject(pTopo);
pTopo = null;
//++iCount;
//pLock.ChangeSchemaLock(esriSchemaLock.esriSharedSchemaLock);
}
catch (Exception ex)
{
////*********************************************
////guozheng 2010-12-24 平安夜 added 系统异常日志
//if (ModData.SysLog == null) ModData.SysLog = new clsWriteSystemFunctionLog();
//ModData.SysLog.Write(ex);
////**********************************************
outError = ex;
}
//}
//finally
//{
// if (((IWorkspaceEdit)pWorkspace).IsBeingEdited())
// {
// if (iCount > 0)
// {
// ((IWorkspaceEdit)pWorkspace).StopEditOperation();
// ((IWorkspaceEdit)pWorkspace).StopEditing(true);
// }
// {
// ((IWorkspaceEdit)pWorkspace).AbortEditOperation();
// ((IWorkspaceEdit)pWorkspace).StopEditing(true);
// }
// }
//}
}
