OBJECT ARX 修改选中实体的颜色 选择集的使用

////修改选中实体的颜色static void TESTchangecolorcmd(){ads_name ssname;////选择多个实体，传递NULL，让用户自己来选acedSSGet(NULL,NULL,NULL,NULL,ssname);long len;acedSSLength(ssname,&len);CString ss;ss.Format(_T("已选中%d个实体"),len);acutPrintf(ss);ads_name entname;AcDbObjectId id;AcDbEntity* ent = NULL;CString strName;int nNewColor;////弹出颜色选择对话框if(acedSetColorDialog(nNewColor,Adesk::kFalse,256) != IDOK){return;}for(int i=0;i<len;i++){if(acedSSName(ssname, i, entname) == RTNORM){////根据名称得到IDacdbGetObjectId(id,entname);////以写模式，根据ID索引到对象，并打开ENTITYacdbOpenObject(ent,id,AcDb::OpenMode::kForWrite);strName.Format(_T("%d"),ent->colorIndex());acutPrintf(_T("\n"));acutPrintf(strName);/////如果只限制直线/*if(ent->isKindOf(AcDbLine::desc())){acutPrintf(_T("\nfind line"));ent->setColorIndex(nNewColor);ent->close();}*/ent->setColorIndex(nNewColor);ent->close();}}acedSSFree(ssname);}