社区 › AutoCAD.net/VB.net/C# 编程技术 › [求助] 选择一个组实体,获得组名

handsomewt 发表于 2010-10-10 10:34:00

[求助] 选择一个组实体,获得组名

<p>如题。。。求助</p>

雪山飞狐_lzh 发表于 2010-10-10 12:33:00

看本版的精华帖

gulong2001 发表于 2010-10-15 20:30:00

<div>&nbsp;//根据输入的对象，找到这个对象属于的组名</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;private string GetentgroupName(Entity ent)</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;{</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Database db = HostApplicationServices.WorkingDatabase;</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;string groupName = "";</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;using (Transaction trans = db.TransactionManager.StartTransaction())</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;//打开当前数据库的组字典对象</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;DBDictionary dict = (DBDictionary)trans.GetObject(db.GroupDictionaryId, OpenMode.ForRead);</div><div><br/></div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;foreach (var gptemp in dict)</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;ObjectId gpid = dict.GetAt(gptemp.Key);</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;//由于要在组中进行去除对象的操作，因此以写的方式打开找到的组对象</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Group gp = (Group)trans.GetObject(gpid, OpenMode.ForWrite);</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;bool isHas = gp.Has(ent);</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;if (isHas == true)//如果在这个组中，则返回这个祖名</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;{</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;groupName = gptemp.Key;</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;break;</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</div><div><br/></div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;trans.Commit();</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;return groupName;</div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;}</div>

handsomewt 发表于 2010-10-15 20:49:00

非常感谢两位的回答，我已经找到问题所在：版本问题。CAD2006版本没有var和DictionaryEntry，痛苦找了好久。用CAD2008测试了后都好使。。。

查看完整版本: [求助] 选择一个组实体,获得组名