/// <summary>
/// 将实体添加到图纸空间
/// </summary>
/// <param name="db">数据库对象</param>
/// <param name="ent">要添加的实体</param>
/// <returns>返回添加到图纸空间中的实体ObjectId</returns>
public static ObjectId AddToPaperSpace(this Database db, Entity ent)
{
var trans = db.TransactionManager;
BlockTableRecord btr = (BlockTableRecord)trans.GetObject(SymbolUtilityServices.GetBlockPaperSpaceId(db), OpenMode.ForWrite);
ObjectId id = btr.AppendEntity(ent);
trans.AddNewlyCreatedDBObject(ent, true);
btr.DowngradeOpen();
return(id);
}
/// <summary>
/// 将实体添加到图纸空间
/// </summary>
/// <param name="db">数据库对象</param>
/// <param name="ents">要添加的多个实体</param>
/// <returns>返回添加到图纸空间中的实体ObjectId集合</returns>
public static ObjectIdCollection AddToPaperSpace(this Database db, params Entity[] ents)
{
ObjectIdCollection ids = new ObjectIdCollection();
var trans = db.TransactionManager;
BlockTableRecord btr = (BlockTableRecord)trans.GetObject(SymbolUtilityServices.GetBlockPaperSpaceId(db), OpenMode.ForWrite);
foreach (var ent in ents)
{
ids.Add(btr.AppendEntity(ent));
trans.AddNewlyCreatedDBObject(ent, true);
}
btr.DowngradeOpen();
return(ids);
}
public static List <DBObject> GetAllObjectsInPaperSpace(Database db)
{
var list = new List <DBObject>();
using (var transaction = db.TransactionManager.StartTransaction())
{
var blockTableRecord = transaction.GetObject(SymbolUtilityServices.GetBlockPaperSpaceId(db), 0) as BlockTableRecord;
using (var enumerator = blockTableRecord.GetEnumerator())
{
while (enumerator.MoveNext())
{
var current = enumerator.Current;
list.Add(transaction.GetObject(current, 0));
}
}
transaction.Commit();
}
return(list);
}
/// <summary>
/// 取得图纸空间ID
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static ObjectId PaperSpaceId(Autodesk.AutoCAD.DatabaseServices.Database db)
{
return(SymbolUtilityServices.GetBlockPaperSpaceId(db));
}
/// <summary>
/// 获取图纸空间的ObjectId
/// </summary>
/// <param name="db"></param>
/// <returns>返回图纸空间的ObjectId</returns>
public static ObjectId GetPaperSpaceId(this Database db)
{
return(SymbolUtilityServices.GetBlockPaperSpaceId(db));
}
/// <summary>
/// Add entity to the paper space of the working database
/// </summary>
/// <param name="entity">Arx Entity</param>
/// <param name="database">Arx database</param>
/// <returns>ObjectId of the appended entity</returns>
public static ObjectId AddToPaperSpace(this Entity entity, Database database)
{
return(AddToSpace(entity, database, SymbolUtilityServices.GetBlockPaperSpaceId(database)));
}
