/// <summary>
/// 保存发生更新变化的所有的要素信息
/// </summary>
/// <param name="eError"></param>
/// <returns></returns>
public Dictionary <string, Dictionary <int, List <IRow> > > GetModifyClsInfo(out Exception eError)
{
eError = null;
Dictionary <string, Dictionary <int, List <IRow> > > feaChangeDic = null;
//获得命名空间下发生变化的信息
IWorkspaceEdit2 pWSEdit2 = v_WSEdit as IWorkspaceEdit2;
if (pWSEdit2 == null)
{
eError = new Exception("编辑工作空间为空！");
return(null);
}
//获取在一个编辑会话中发生更新变化数据
IDataChangesEx pDataChangeEx = pWSEdit2.get_EditDataChanges(esriEditDataChangesType.esriEditDataChangesWithinSession);
if (pDataChangeEx == null)
{
eError = new Exception("未发现更新变化数据!");
return(null);
}
feaChangeDic = new Dictionary <string, Dictionary <int, List <IRow> > >();
//获取发生更新变化的要素类集合
IEnumBSTR pEnumString = pDataChangeEx.ModifiedClasses; //发生变化的要素类
pEnumString.Reset();
string pModifyClsName = "";//发生更新变化的要素类名称
pModifyClsName = pEnumString.Next();
//遍历发生更新变化的要素类，并将相关信息保存下来
while (pModifyClsName != null)
{
IDifferenceCursorEx pDifCusorEx = null; //游标
int pFeaOid = -1; //要素OID
IRow pSourceRow = null; //正在编辑的冲突要素行
IRow pDifRow = null; //上一编辑版本的冲突要素行
ILongArray pDifIndices = null; //字段索引
if (pModifyClsName.Contains("."))
{
pModifyClsName = pModifyClsName.Substring(pModifyClsName.IndexOf('.') + 1);
}
Dictionary <int, List <IRow> > stateRowDic = new Dictionary <int, List <IRow> >();
List <IRow> rowLst = null;
#region 保存新增加的要素信息
rowLst = new List <IRow>();
//新增数据游标
pDifCusorEx = pDataChangeEx.ExtractEx(pModifyClsName, esriDifferenceType.esriDifferenceTypeInsert);
if (pDifCusorEx == null)
{
eError = new Exception("获取新增数据的游标发生错误！");
return(null);
}
pDifCusorEx.Next(out pFeaOid, out pSourceRow, out pDifRow, out pDifIndices);//pDifRow=null
//遍历新增加的要素oid,并将其保存起来
while (pFeaOid != -1)
{
//将新增数据保存起来
if (!rowLst.Contains(pSourceRow))
{
rowLst.Add(pSourceRow);
}
pDifCusorEx.Next(out pFeaOid, out pSourceRow, out pDifRow, out pDifIndices);
}
if (rowLst != null)
{
if (rowLst.Count > 0)
{
stateRowDic.Add(1, rowLst);
}
}
#endregion
#region 保存修改后的要素信息
rowLst = new List <IRow>();
//修改数据游标
pDifCusorEx = pDataChangeEx.ExtractEx(pModifyClsName, esriDifferenceType.esriDifferenceTypeUpdateNoChange);
if (pDifCusorEx == null)
{
eError = new Exception("获取修改数据的游标发生错误！");
return(null);
}
pDifCusorEx.Next(out pFeaOid, out pSourceRow, out pDifRow, out pDifIndices);
//遍历修改后的要素OID，并将其保存起来
while (pFeaOid != -1)
{
//将修改后的数据保存起来
if (!rowLst.Contains(pSourceRow))
{
rowLst.Add(pSourceRow);
}
pDifCusorEx.Next(out pFeaOid, out pSourceRow, out pDifRow, out pDifIndices);
}
if (rowLst != null)
{
if (rowLst.Count > 0)
{
stateRowDic.Add(2, rowLst);
}
}
#endregion
#region 保存删除的要素信息
rowLst = new List <IRow>();
//删除数据游标
pDifCusorEx = pDataChangeEx.ExtractEx(pModifyClsName, esriDifferenceType.esriDifferenceTypeDeleteNoChange);
if (pDifCusorEx == null)
{
eError = new Exception("获取删除数据的游标发生错误！");
return(null);
}
pDifCusorEx.Next(out pFeaOid, out pSourceRow, out pDifRow, out pDifIndices);//pSourceRow
//遍历删除的要素OID，并将其保存起来
while (pFeaOid != -1)
{
//将删除的数据保存起来（数据库版本数据）
if (!rowLst.Contains(pDifRow))
{
rowLst.Add(pDifRow);
}
pDifCusorEx.Next(out pFeaOid, out pSourceRow, out pDifRow, out pDifIndices);
}
if (rowLst != null)
{
if (rowLst.Count > 0)
{
stateRowDic.Add(3, rowLst);
}
}
#endregion
if (!feaChangeDic.ContainsKey(pModifyClsName))
{
feaChangeDic.Add(pModifyClsName, stateRowDic);
}
pModifyClsName = pEnumString.Next();
}
return(feaChangeDic);
}