/// <summary>
/// 删除组内对象,并将组id记录到待删除变量
/// 参考：https://www.cnblogs.com/swtool/p/3810009.html
/// </summary>
/// <param name="stropt"></param>
public static void deleteGroupAndObjs(StringOption stropt)
{
if (erasingGroupId != ObjectId.Null)
{
return;
}
//定义数据库
Database db = HostApplicationServices.WorkingDatabase;
//获取当前文件
//Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
//获取当前命令行对象
//Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
#region 除组
//定义组字典
DBDictionary groupDict = (DBDictionary)db.GroupDictionaryId.GetObject(OpenMode.ForRead);
//在组字典中搜索满足条件的组对象
foreach (DictionaryEntry ide in groupDict)
{
//获取组对象
Group partGroup = trans.GetObject((ObjectId)ide.Value, OpenMode.ForRead) as Group;
if (stropt.Match(partGroup.Name))
{
//partGroup.UpgradeOpen();
erasingGroupId = partGroup.ObjectId;
//partGroup.ObjectClosed += Group_ObjectClosed;
//先删除组中的对象再删除组，直接删除组的话只是将组打散而已
foreach (ObjectId id in partGroup.GetAllEntityIds())
{
try
{
Entity ent = (Entity)id.GetObject(OpenMode.ForWrite);
ent.Erase();
ent.Dispose();
}
catch (System.Exception ex) {
throw new System.Exception("128");
}
}
//partGroup.Close();
break;
//partGroup.UpgradeOpen();
//partGroup.Erase(true);
//partGroup.DowngradeOpen();
}
}
#endregion 除组
trans.Commit();
}
erasingGroupId = ObjectId.Null;
}
public static Group getGroup(StringOption stropt, Transaction trans)
{
//定义数据库
Database db = HostApplicationServices.WorkingDatabase;
//定义组字典
DBDictionary groupDict = (DBDictionary)trans.GetObject(db.GroupDictionaryId, OpenMode.ForRead);
//在组字典中搜索满足条件的组对象
foreach (DictionaryEntry ide in groupDict)
{
//获取组对象
Group group = trans.GetObject((ObjectId)ide.Value, OpenMode.ForRead) as Group;
if (stropt.Match(group.Name))
{
return(group);
}
}
return(null);
}