public static bool EraseBlkRefs(ObjectId blkId)
{
bool blkRefsErased = false;
if (blkId.IsNull)
{
return(false);
}
Database db = blkId.Database;
if (db == null)
{
return(false);
}
using (Transaction tr = db.TransactionManager.StartTransaction())
{
BlockTableRecord blk = (BlockTableRecord)tr.GetObject(blkId, OpenMode.ForRead);
var blkRefs = blk.GetBlockReferenceIds(true, true);
if (blkRefs != null && blkRefs.Count > 0)
{
foreach (ObjectId blkRefId in blkRefs)
{
BlockReference blkRef = (BlockReference)tr.GetObject(blkRefId, OpenMode.ForWrite);
blkRef.Erase();
}
blkRefsErased = true;
}
tr.Commit();
}
return(blkRefsErased);
}
public void GetLayoutsWithDynBlocks(Transaction trans)
{
// получаем таблицу блоков и проходим по всем записям таблицы блоков
_blokTable = (BlockTable)trans.GetObject(Active.Database.BlockTableId, OpenMode.ForRead);
foreach (ObjectId btrId in _blokTable)
{
// получаем запись таблицы блоков и смотри анонимная ли она
BlockTableRecord btr = (BlockTableRecord)trans.GetObject(btrId, OpenMode.ForRead);
if (btr.IsDynamicBlock && BlockNameToSearch.Contains(btr.Name))
{
// получаем все анонимные блоки динамического блока
ObjectIdCollection anonymousIds = btr.GetAnonymousBlockIds();
foreach (ObjectId anonymousBtrId in anonymousIds)
{
// получаем анонимный блок
BlockTableRecord anonymousBtr = (BlockTableRecord)trans.GetObject(anonymousBtrId, OpenMode.ForRead);
// получаем все вставки этого блока
BlockRefIds = anonymousBtr.GetBlockReferenceIds(true, true);
GetBlockInLayout(trans);
}
}
}
}
public static bool EraseBlk(ObjectId blkId)
{
bool blkIsErased = false;
if (blkId.IsNull)
{
return(false);
}
Database db = blkId.Database;
if (db == null)
{
return(false);
}
using (Transaction tr = db.TransactionManager.StartTransaction())
{
BlockTableRecord blk = (BlockTableRecord)tr.GetObject(blkId, OpenMode.ForRead);
var blkRefs = blk.GetBlockReferenceIds(true, true);
if (blkRefs == null || blkRefs.Count == 0)
{
blk.UpgradeOpen();
blk.Erase();
blkIsErased = true;
}
tr.Commit();
}
return(blkIsErased);
}
public List <string> GetParentBlokName()
{
List <string> newlist = new List <string>();
dataParentBlok = new List <string>();
using (Transaction tr = acDb.TransactionManager.StartTransaction())
{
BlockTable bt = acDb.BlockTableId.GetObject(OpenMode.ForRead) as BlockTable;
foreach (ObjectId objId in bt)
{
BlockTableRecord btr = (BlockTableRecord)objId.GetObject(OpenMode.ForRead);
if (btr.IsAnonymous)
{
continue;
}
if (btr.GetBlockReferenceIds(true, false).Count > 0)
{
if (btr.HasAttributeDefinitions)
{
newlist.Add(btr.Name);
dataParentBlok.Add(btr.Name);
}
}
}
}
return(newlist);
}
public List <string> GetBlokRefs()
{
List <string> ParentBlok = new List <string>();
ParentBlok.AddRange(dataParentBlok);
List <string> newlist = new List <string>();
foreach (string item in ParentBlok)
{
using (Transaction tr = acDb.TransactionManager.StartTransaction())
{
BlockTable bt = acDb.BlockTableId.GetObject(OpenMode.ForRead) as BlockTable;
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[item], OpenMode.ForRead);
ObjectIdCollection objIds = btr.GetBlockReferenceIds(true, false);
foreach (ObjectId id in objIds)
{
BlockReference bRef = (BlockReference)tr.GetObject(id, OpenMode.ForRead);
AttList = new List <string>();
newlist.Add(string.Format("{0}:{1}", btr.Name, id));
foreach (ObjectId idRef in bRef.AttributeCollection)
{
AttributeReference AttRef = (AttributeReference)tr.GetObject(idRef, OpenMode.ForRead);
AttList.Add(String.Format("[{0}:{1}]", AttRef.Tag, AttRef.TextString));
}
}
}
}
return(newlist);
}
public static void SynchronizeAttributes(this BlockTableRecord target)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
Transaction tr = target.Database.TransactionManager.TopTransaction;
if (tr == null)
{
throw new Autodesk.AutoCAD.Runtime.Exception(ErrorStatus.NoActiveTransactions);
}
List <AttributeDefinition> attDefs = target.GetAttributes(tr);
foreach (ObjectId id in target.GetBlockReferenceIds(true, false))
{
BlockReference br = (BlockReference)tr.GetObject(id, OpenMode.ForWrite);
br.ResetAttributes(attDefs, tr);
}
if (target.IsDynamicBlock)
{
target.UpdateAnonymousBlocks();
foreach (ObjectId id in target.GetAnonymousBlockIds())
{
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(id, OpenMode.ForRead);
attDefs = btr.GetAttributes(tr);
foreach (ObjectId brId in btr.GetBlockReferenceIds(true, false))
{
BlockReference br = (BlockReference)tr.GetObject(brId, OpenMode.ForWrite);
br.ResetAttributes(attDefs, tr);
}
}
}
}
/// <summary>
/// Синхронизация атрибутов блока. Требуется запущенная транзакция
/// </summary>
public static void SynchronizeAttributes([NotNull] this BlockTableRecord target)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
var tr = target.Database.TransactionManager.TopTransaction;
if (tr == null)
{
throw new Autodesk.AutoCAD.Runtime.Exception(ErrorStatus.NoActiveTransactions);
}
var attDefs = target.GetAttributes(tr);
foreach (ObjectId id in target.GetBlockReferenceIds(true, false))
{
var br = id.GetObjectT <BlockReference>();
br.ResetAttributes(attDefs, tr);
}
if (target.IsDynamicBlock)
{
target.UpdateAnonymousBlocks();
foreach (ObjectId id in target.GetAnonymousBlockIds())
{
var btr = id.GetObjectT <BlockTableRecord>();
attDefs = btr.GetAttributes(tr);
foreach (ObjectId brId in btr.GetBlockReferenceIds(true, false))
{
var br = brId.GetObject <BlockReference>(OpenMode.ForWrite);
br?.ResetAttributes(attDefs, tr);
}
}
}
}
private Dictionary <string, List <string> > KoleksiBlok(string blkRefName)
{
Dictionary <string, List <string> > newList = new Dictionary <string, List <string> >();
using (Transaction trx = db.TransactionManager.StartTransaction())
{
BlockTable bt = db.BlockTableId.GetObject(OpenMode.ForRead) as BlockTable;
BlockTableRecord btr = (BlockTableRecord)trx.GetObject(bt[blkRefName], OpenMode.ForRead);
ObjectIdCollection objIds = btr.GetBlockReferenceIds(true, false);
foreach (ObjectId id in objIds)
{
BlockReference bRef = (BlockReference)trx.GetObject(id, OpenMode.ForRead);
List <string> AttList = new List <string>();
foreach (ObjectId idRef in bRef.AttributeCollection)
{
AttributeReference AttRef = (AttributeReference)trx.GetObject(idRef, OpenMode.ForRead);
AttList.Add(String.Format("[{0}:{1}]", AttRef.Tag, AttRef.TextString));
}
newList.Add(bRef.Name, AttList);
}
trx.Commit();
}
return(newList);
}
private static ObjectId FetchFFLBlockID()
{
Document acDoc = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument;
Database acCurrDb = acDoc.Database;
Editor acEditor = acDoc.Editor;
// Create the selection filter for the FFL block
TypedValue[] selFilterList = new TypedValue[2];
selFilterList[0] = new TypedValue(0, "INSERT");
selFilterList[1] = new TypedValue(2, "JPP_App_Outline*");
SelectionFilter selFilter = new SelectionFilter(selFilterList);
// Set prompt options and message
PromptSelectionOptions selOptions = new PromptSelectionOptions();
selOptions.MessageForAdding = "Select FFL block: ";
selOptions.SinglePickInSpace = true;
selOptions.SingleOnly = true;
// Prompt user to select FFL add exposed brickwork
PromptSelectionResult selResult = acEditor.GetSelection(selOptions, selFilter);
ObjectId[] FFLToEditId = selResult.Value.GetObjectIds();
ObjectId blockId = FFLToEditId[0];
using (Transaction acTrans = acCurrDb.TransactionManager.StartTransaction())
{
try
{
BlockTable acBlkTbl = acTrans.GetObject(acCurrDb.BlockTableId, OpenMode.ForRead) as BlockTable;
BlockReference fflBlock = acTrans.GetObject(blockId, OpenMode.ForRead) as BlockReference;
BlockTableRecord acBlkTblRec = acTrans.GetObject(acBlkTbl[fflBlock.Name],
OpenMode.ForRead) as BlockTableRecord;
if (acBlkTblRec == null)
{
acEditor.WriteMessage("\nError FFL block not found.");
acTrans.Commit();
return(ObjectId.Null);
}
// Check there is only one instance of this block reference in the drawing
if (acBlkTblRec.GetBlockReferenceIds(false, true).Count != 1)
{
acEditor.WriteMessage("\nError more than one instance of the block reference.");
acTrans.Commit();
return(ObjectId.Null);
}
acTrans.Commit();
return(fflBlock.ObjectId);
}
catch (Autodesk.AutoCAD.Runtime.Exception acException)
{
Autodesk.AutoCAD.ApplicationServices.Application.ShowAlertDialog
("The following exception was caught: \n" + acException.Message
+ "\nError retrieving FFL Block Id!\n");
acTrans.Abort();
return(ObjectId.Null);
}
}
}
/// <summary>
/// Обновление графики во вхождениях блока для данного определения блока
/// Должна быть запущена транзакция!!!
/// </summary>
public static void SetBlRefsRecordGraphicsModified([NotNull] this BlockTableRecord btr)
{
var idsBlRef = btr.GetBlockReferenceIds(true, false);
foreach (ObjectId idBlRefApart in idsBlRef)
{
var blRefApartItem = (BlockReference)idBlRefApart.GetObject(OpenMode.ForWrite, false, true);
blRefApartItem.RecordGraphicsModified(true);
}
}
public void DynamicBlockTest()
{
BlockReference br;
if (!ObjectCollector.TrySelectAllowedClassObject(out br))
{
return;
}
Tools.StartTransaction(() =>
{
br = br.Id.GetObjectForRead <BlockReference>();
var pSet = br.DynamicBlockReferencePropertyCollection;
BlockTableRecord btr = br.BlockTableRecord.GetObjectForRead <BlockTableRecord>();
if (pSet == null)
{
return;
}
foreach (DynamicBlockReferenceProperty p in pSet)
{
if (p.PropertyTypeCode == (short)PropertyTypeCodes.Mirror)
{
Type t = p.Value.GetType();
p.Value = (short)((short)p.Value == 0 ? 1 : 0);
}
}
BlockTableRecord btrDyn = br.DynamicBlockTableRecord.GetObjectForRead <BlockTableRecord>();
foreach (ObjectId id in btrDyn.GetBlockReferenceIds(false, false))
{
var brDyn = id.GetObjectForRead <BlockReference>();
pSet = brDyn.DynamicBlockReferencePropertyCollection;
if (pSet == null)
{
return;
}
foreach (DynamicBlockReferenceProperty p in pSet)
{
object obj = p;
}
}
var rbuffer = btrDyn.XData;
byte[] buffer = new byte[System.Runtime.InteropServices.Marshal.SizeOf(rbuffer.UnmanagedObject)];
IntPtr destPtr = System.Runtime.InteropServices.Marshal.AllocHGlobal(rbuffer.UnmanagedObject);
System.Runtime.InteropServices.Marshal.Copy(rbuffer.UnmanagedObject, buffer, 0,
System.Runtime.InteropServices.Marshal.SizeOf(rbuffer.UnmanagedObject));
});
}
static void ed_PointMonitor(object sender, PointMonitorEventArgs e)
{
string blockInfo = ""; //用于存储块参照的信息：名称和个数
//获取命令行对象（鼠标监视事件的发起者），用于获取文档对象
Editor ed = (Editor)sender;
Document doc = ed.Document;
InputPointContext ic = e.Context;
//获取鼠标停留处的实体
FullSubentityPath[] paths = e.Context.GetPickedEntities();
using (Transaction trans = doc.TransactionManager.StartTransaction())
{
//如果鼠标停留处有实体
if (paths.Length > 0)
{
//获取鼠标停留处的实体
FullSubentityPath path = paths[0];
BlockReference blockRef = trans.GetObject(path.GetObjectIds()[0], OpenMode.ForRead) as BlockReference;
if (blockRef != null)//如果鼠标停留处为块参照
{
//获取块参照所属的块表记录并以写的方式打开
ObjectId blockId = blockRef.BlockTableRecord;
BlockTableRecord btr = trans.GetObject(blockId, OpenMode.ForRead) as BlockTableRecord;
//获取属于同一块表记录的所有块参照
ObjectIdCollection ids = btr.GetBlockReferenceIds(true, false);
//若鼠标停留处的块参照的块表记录与上一次的不同
Entity ent = null;
if (ids.Count >= 0)
{
ent = trans.GetObject(ids[0], OpenMode.ForRead) as Entity;
}
if (ent != null && blockName != btr.Name || ent.HighlightState(path) == HighlightStyle.None)
{
blockName = btr.Name; //重新设置块表记录名
blockIds.UnHighlightEntities(); //取消上一次块表记录的块参照的亮显
blockIds.Clear(); //清空块参照ObjectId列表
blockIds = ids; //设置需要亮显的块参照的ObjectId列表
blockIds.HighlightEntities(); //亮显所有同名的块参照
}
blockInfo += "块名：" + btr.Name + "\n个数:" + blockIds.Count.ToString();
}
}
trans.Commit();
}
if (blockInfo != "")
{
e.AppendToolTipText(blockInfo);//在鼠标停留处显示提示信息
}
}
public static List <string> GetBlockRefSelected(string brefName)
{
List <string> newList = new List <string>();
Document doc = AcAp.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
BlockTable bt = db.BlockTableId.GetObject(OpenMode.ForRead) as BlockTable;
foreach (ObjectId objId in bt)
{
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[brefName], OpenMode.ForRead);
if (btr.IsAnonymous)
{
continue;
}
if (btr.GetBlockReferenceIds(true, false).Count > 0)
{
if (btr.HasAttributeDefinitions)
{
ObjectIdCollection objIds = btr.GetBlockReferenceIds(true, false);
foreach (ObjectId brefId in objIds)
{
BlockReference bRef = (BlockReference)tr.GetObject(brefId, OpenMode.ForRead);
Autodesk.AutoCAD.DatabaseServices.AttributeCollection atRefColl = bRef.AttributeCollection;
foreach (ObjectId atId in atRefColl)
{
AttributeReference atdef = (AttributeReference)tr.GetObject(atId, OpenMode.ForRead);
newList.Add(atdef.Tag);
}
}
}
}
}
}
return(newList);
}
public static IEnumerable <ObjectId> GetAllBlockReferenceIds(this BlockTableRecord btr, bool directOnly)
{
IEnumerable <ObjectId> brefIds = btr
.GetBlockReferenceIds(directOnly, false)
.Cast <ObjectId>()
.Concat(
btr.GetAnonymousBlockIds()
.Cast <ObjectId>()
.SelectMany(
n => ((BlockTableRecord)n.GetObject(OpenMode.ForRead))
.GetBlockReferenceIds(directOnly, false)
.Cast <ObjectId>()));
return(brefIds);
}
/// <summary>
/// Возвращает ObjectId всех вхождений блока. В том числе если блок динамический
/// </summary>
/// <param name="btr">BlockTableRecord блока, чьи вхождения надо искать</param>
/// <returns>Коллекцию вхождений блока, в том числе динамических</returns>
public static IEnumerable <ObjectId> GetAllBlockReferenceIds(this BlockTableRecord btr, bool directOnly)
{
Database db = btr.Database;
IEnumerable <ObjectId> brefIds = btr
.GetBlockReferenceIds(directOnly, false)
.Cast <ObjectId>()
.Concat(
btr.GetAnonymousBlockIds()
.Cast <ObjectId>()
.SelectMany(
n => n.GetObject <BlockTableRecord>()
.GetBlockReferenceIds(directOnly, false)
.Cast <ObjectId>()));
return(brefIds);
}
public Dictionary <string, ObjectId> GetBlockReferenceFromBtIds(PilihanDrawing mode)
{
Dictionary <string, ObjectId> newList = new Dictionary <string, ObjectId>();
ObjectIdCollection objIds = new ObjectIdCollection();
switch (mode)
{
case PilihanDrawing.CurrentDrawing:
break;
case PilihanDrawing.PickFromDrawing:
break;
case PilihanDrawing.ExternalDrawing:
foreach (KeyValuePair <string, ObjectId> btName in GetBT_IDs)
{
for (int i1 = 0; i1 < DBFiles.Count; i1++)
{
acDbs = new Database(false, true);
try
{
acDbs.ReadDwgFile(ListFileDwgs[i1].FullName, FileShare.Read, false, "");
}
catch (Autodesk.AutoCAD.Runtime.Exception acExep)
{
throw new Autodesk.AutoCAD.Runtime.Exception(ErrorStatus.FilerError, acExep.Message);
}
using (Transaction tr = acDbs.TransactionManager.StartTransaction())
{
BlockTable bt = acDbs.BlockTableId.GetObject(OpenMode.ForRead) as BlockTable;
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[btName.Key], OpenMode.ForRead);
objIds = btr.GetBlockReferenceIds(true, false);
foreach (ObjectId id in objIds)
{
BlockReference bRef = (BlockReference)tr.GetObject(id, OpenMode.ForRead);
newList.Add(btr.Name + id, id);
}
}
}
}
break;
default:
break;
}
return(newList);
}
public static void RefreshBlockGraphics(
BlockTableRecord block)
{
Database documentDatabase = block.Database;
using (var transaction =
documentDatabase.TransactionManager.StartTransaction())
{
var blockReference = (BlockReference)transaction.GetObject(
block.GetBlockReferenceIds(true, true)[0],
OpenMode.ForWrite);
blockReference.Position = blockReference.Position;
transaction.Commit();
}
}
public void Update()
{
Tools.StartTransaction(() =>
{
if (_blockRecordId != ObjectId.Null)
{
BlockTableRecord btr = _blockRecordId.GetObjectForRead <BlockTableRecord>(false);
//btr.UpgradeOpen();
foreach (ObjectId id in btr.GetBlockReferenceIds(true, true))
{
BlockReference br = id.GetObjectForWrite <BlockReference>(false);
br.RecordGraphicsModified(true);
btr.Database.TransactionManager.QueueForGraphicsFlush();
}
}
});
}
private void FillTreeView()
{
using (Transaction trx = db.TransactionManager.StartTransaction())
{
datablok = new List <string>();
BlockTable bt = db.BlockTableId.GetObject(OpenMode.ForRead) as BlockTable;
foreach (ObjectId BtId in bt)
{
BlockTableRecord BlokTblRec = (BlockTableRecord)BtId.GetObject(OpenMode.ForRead);
if (BlokTblRec.HasAttributeDefinitions)
{
datablok.Add(string.Format("{0}|{1}", BlokTblRec.Name, BtId));
listBox1.Items.Add(string.Format("{0}|{1}", BlokTblRec.Name, BtId));
}
}
foreach (string item in datablok)
{
string[] SplitItem = item.Split('|');
BlockTableRecord btr = (BlockTableRecord)trx.GetObject(bt[SplitItem[0]], OpenMode.ForRead);
ObjectIdCollection objIds = btr.GetBlockReferenceIds(true, false);
AttributBlok = new List <string>();
koleksi = new ObjectIdCollection();
foreach (ObjectId id in objIds)
{
AttributBlok.Add(string.Format("{0}|{1}", btr.Name, id));
koleksi.Add(id);
listBox2.Items.Add(string.Format("{0}|{1}", btr.Name, id));
}
foreach (ObjectId itemid in koleksi)
{
BlockReference bRef = (BlockReference)trx.GetObject(
itemid, OpenMode.ForRead);
foreach (ObjectId idRef in bRef.AttributeCollection)
{
AttributeReference AttRef = (AttributeReference)trx.GetObject(
idRef, OpenMode.ForRead);
AttributBlok.Add(String.Format("[{0}:{1}]",
AttRef.Tag,
AttRef.TextString));
}
}
}
}
}
public static void UpdateParam()
{
//Get active document of drawing with Dynamic block
var doc = Application.DocumentManager.MdiActiveDocument;
var db = doc.Database;
// read input parameters from JSON file
InputParams inputParams = JsonConvert.DeserializeObject <InputParams>(File.ReadAllText("params.json"));
using (Transaction t = db.TransactionManager.StartTransaction())
{
var bt = t.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
foreach (ObjectId btrId in bt)
{
//get the blockDef and check if is anonymous
BlockTableRecord btr = (BlockTableRecord)t.GetObject(btrId, OpenMode.ForRead);
if (btr.IsDynamicBlock)
{
//get all anonymous blocks from this dynamic block
ObjectIdCollection anonymousIds = btr.GetAnonymousBlockIds();
ObjectIdCollection dynBlockRefs = new ObjectIdCollection();
foreach (ObjectId anonymousBtrId in anonymousIds)
{
//get the anonymous block
BlockTableRecord anonymousBtr = (BlockTableRecord)t.GetObject(anonymousBtrId, OpenMode.ForRead);
//and all references to this block
ObjectIdCollection blockRefIds = anonymousBtr.GetBlockReferenceIds(true, true);
foreach (ObjectId id in blockRefIds)
{
dynBlockRefs.Add(id);
}
}
if (dynBlockRefs.Count > 0)
{
//Get the first dynamic block reference, we have only one Dyanmic Block reference in Drawing
var dBref = t.GetObject(dynBlockRefs[0], OpenMode.ForWrite) as BlockReference;
UpdateDynamicProperties(dBref, inputParams);
}
}
}
t.Commit();
}
LogTrace("Saving file...");
db.SaveAs("outputFile.dwg", DwgVersion.Current);
}
void ChangeAttributeValue(String AttributeTagName, String OldValue, String NewValue)
{
Document activeDoc = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument;
Database db = activeDoc.Database;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
BlockTable bt = tr.GetObject(db.BlockTableId, OpenMode.ForWrite) as BlockTable;
foreach (ObjectId oid in bt)
{
BlockTableRecord btr = tr.GetObject(oid, OpenMode.ForWrite) as BlockTableRecord;
if (!btr.IsLayout)
{
ObjectIdCollection brefIds = btr.GetBlockReferenceIds(false, false);
foreach (ObjectId brId in brefIds)
{
BlockReference bref = tr.GetObject(brId, OpenMode.ForRead) as BlockReference;
foreach (ObjectId arId in bref.AttributeCollection)
{
AttributeReference ar = tr.GetObject(arId, OpenMode.ForRead) as AttributeReference;
if (ar != null)
{
if (ar.Tag.ToUpper().Equals(AttributeTagName.ToUpper()))
{
if (ar.TextString.ToUpper().Equals(OldValue))
{
ar.UpgradeOpen();
ar.TextString = NewValue;
}
}
}
}
}
}
}
tr.Commit();
}
}
/// <summary>
/// Get all references to the given BlockTableRecord, including
/// references to anonymous dynamic BlockTableRecords.
/// </summary>
public static IEnumerable <BlockReference> GetBlockReferences(
this BlockTableRecord btr,
OpenMode mode = OpenMode.ForRead,
bool directOnly = true)
{
if (btr == null)
{
throw new ArgumentNullException("btr");
}
var tr = btr.Database.TransactionManager.TopTransaction;
if (tr == null)
{
throw new InvalidOperationException("No transaction");
}
var ids = btr.GetBlockReferenceIds(directOnly, true);
var cnt = ids.Count;
for (var i = 0; i < cnt; i++)
{
yield return((BlockReference)
tr.GetObject(ids[i], mode, false, false));
}
if (btr.IsDynamicBlock)
{
BlockTableRecord btr2 = null;
var blockIds = btr.GetAnonymousBlockIds();
cnt = blockIds.Count;
for (var i = 0; i < cnt; i++)
{
btr2 = (BlockTableRecord)tr.GetObject(blockIds[i],
OpenMode.ForRead, false, false);
ids = btr2.GetBlockReferenceIds(directOnly, true);
var cnt2 = ids.Count;
for (var j = 0; j < cnt2; j++)
{
yield return((BlockReference)
tr.GetObject(ids[j], mode, false, false));
}
}
}
}
public void ChangeBlock(string blockName, string roomNumber)
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
Database db = HostApplicationServices.WorkingDatabase;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
//打开块表
BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);
//打开块表中名为blockName的块表记录
BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[blockName], OpenMode.ForRead);
//获取所有名为blockName的块参照
ObjectIdCollection blcokRefIds = btr.GetBlockReferenceIds(true, true);
//循环遍历块参照
foreach (ObjectId blockRefId in blcokRefIds)
{
//打开当前块参照
BlockReference blockRef = (BlockReference)trans.GetObject(blockRefId, OpenMode.ForRead);
//获取当前块参照的属性集合
AttributeCollection blockRefAtts = blockRef.AttributeCollection;
//循环遍历属性集合
foreach (ObjectId attId in blockRefAtts)
{
//获取当前属性参照对象
AttributeReference attRef = (AttributeReference)trans.GetObject(attId, OpenMode.ForRead);
//只改变NUMBER属性值为"0000"的属性值为roomNumber
switch (attRef.Tag)
{
case "NUMBER":
if (attRef.TextString == "0000")
{
attRef.UpgradeOpen(); //切换属性参照对象为可写状态
attRef.TextString = roomNumber;
}
break;
}
}
}
trans.Commit();
}
}
public static List <BlockReference> GetListBlockReferences(BlockTableRecord block)
{
Database documentDatabase = block.Database;
List <BlockReference> listReferences = new List <BlockReference>();
using (var transaction =
documentDatabase.TransactionManager.StartTransaction())
{
ObjectIdCollection objectIdCollection = block.GetBlockReferenceIds(true, true);
foreach (ObjectId id in objectIdCollection)
{
listReferences.Add((BlockReference)transaction.GetObject(id, OpenMode.ForWrite));
}
transaction.Commit();
}
return(listReferences);
}
/// <summary>
/// Method for getting all blockreference Ids
/// </summary>
/// <param name="btr">The BTR.</param>
/// <param name="trx">The TRX.</param>
/// <param name="directOnly">if set to <c>true</c> [direct only].</param>
/// <param name="forceValidity">if set to <c>true</c> [force validity].</param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public static ObjectIdCollection GetAllBlockReferenceIds(this BlockTableRecord btr, Transaction trx,
bool directOnly, bool forceValidity)
{
if (trx == null)
{
throw new Exception(ErrorStatus.NoActiveTransactions);
}
ObjectIdCollection blockReferenceIds = btr.GetBlockReferenceIds(directOnly, forceValidity);
if (!btr.IsDynamicBlock)
{
return(blockReferenceIds);
}
foreach (ObjectId id in btr.GetAnonymousBlockIds())
{
BlockTableRecord record = trx.GetObject(id, OpenMode.ForRead) as BlockTableRecord;
blockReferenceIds.Add(record.GetBlockReferenceIds(directOnly, forceValidity));
}
return(blockReferenceIds);
}
internal static List <BlockReference> GetAllBlockReferences(this Database currentDatabase)
{
if (currentDatabase == null)
{
throw new ArgumentNullException(nameof(currentDatabase));
}
Transaction acTrans = currentDatabase.TransactionManager.TopTransaction;
List <BlockReference> result = new List <BlockReference>();
foreach (BlockTableRecord btRecord in GetAllBlockDefinitions(currentDatabase))
{
var ids = btRecord.GetBlockReferenceIds(true, true);
int cnt = ids.Count;
for (int i = 0; i < cnt; i++)
{
result.Add((BlockReference)acTrans.GetObject(ids[i], OpenMode.ForRead, false, false));
}
if (btRecord.IsDynamicBlock)
{
var blockIds = btRecord.GetAnonymousBlockIds();
cnt = blockIds.Count;
for (int i = 0; i < cnt; i++)
{
BlockTableRecord btr2 = (BlockTableRecord)acTrans.GetObject(blockIds[i],
OpenMode.ForRead, false, false);
ids = btr2.GetBlockReferenceIds(true, true);
int cnt2 = ids.Count;
for (int j = 0; j < cnt2; j++)
{
result.Add((BlockReference)acTrans.GetObject(ids[j], OpenMode.ForRead, false, false));
}
}
}
}
return(result);
}
/// <summary>
/// 获取指定块名的块参照
/// </summary>
/// <param name="db">数据库对象</param>
/// <param name="blockName">块名</param>
/// <returns>返回指定块名的块参照</returns>
public static List <BlockReference> GetAllBlockReferences(this Database db, string blockName)
{
List <BlockReference> blocks = new List <BlockReference>();
using (Transaction trans = db.TransactionManager.StartTransaction())
{
//打开块表
BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);
//打开指定块名的块表记录
BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[blockName], OpenMode.ForRead);
//获取指定块名的块参照集合的Id
ObjectIdCollection blockIds = btr.GetBlockReferenceIds(true, true);
foreach (ObjectId id in blockIds) // 遍历块参照的Id
{
//获取块参照
BlockReference block = (BlockReference)trans.GetObject(id, OpenMode.ForRead);
blocks.Add(block); // 将块参照添加到返回列表
}
trans.Commit();
}
return(blocks); //返回块参照列表
}
public static void SetBlockPosition(
BlockTableRecord block,
Point3d position)
{
Database documentDatabase = block.Database;
using (var transaction =
documentDatabase.TransactionManager.StartTransaction())
{
var blockTable = (BlockTable)transaction.GetObject(
documentDatabase.BlockTableId,
OpenMode.ForWrite);
var blockReference = (BlockReference)transaction.GetObject(
block.GetBlockReferenceIds(true, true)[0],
OpenMode.ForWrite);
blockReference.Position = position;
transaction.Commit();
}
}
public static ObjectIdCollection GetAllBlockReferenceByName(string name, Database db)
{
ObjectIdCollection ids_temp = null, ids = new ObjectIdCollection();
List <string> blkNames = new List <string>();
blkNames.Add(name);
List <ObjectId> objectIds = new List <ObjectId>();
Transaction tr = db.TransactionManager.StartTransaction();
try
{
BlockTable bt = (BlockTable)tr.GetObject(db.BlockTableId, OpenMode.ForRead);
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[name], OpenMode.ForRead);
BlockTableRecord btr_model = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForRead);
SelectionFilter sf = new SelectionFilter(CreateFilterListForBlocks(blkNames));
PromptSelectionResult psr = Active.Editor.SelectAll(sf);
ObjectId id_model = btr_model.ObjectId;
ids_temp = btr.GetBlockReferenceIds(true, true);
foreach (ObjectId id in ids_temp)
{
DBObject obj = (DBObject)tr.GetObject(id, OpenMode.ForRead);
// If BlockReference owned with Model Space - add it to collection
if (obj.OwnerId == id_model)
{
ids.Add(id);
objectIds.Add(id);
}
}
tr.Commit();
}
finally
{
tr.Dispose();
}
return(ids);
}
public void selAll()
{
Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
//开启事务
using (Transaction transaction = db.TransactionManager.StartTransaction())
{
//打开块表
BlockTable bt = transaction.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
//打开模型空间块表记录
BlockTableRecord modelspace = transaction.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForRead) as BlockTableRecord;
ObjectIdCollection objidcoll = modelspace.GetBlockReferenceIds(true, true);
ed.WriteMessage("\n共有{0}个", objidcoll.Count);
foreach (ObjectId item in objidcoll)
{
Entity ent = (Entity)transaction.GetObject(item, OpenMode.ForRead);
ed.WriteMessage("\n名字有：{0}", ent.BlockName);
}
}
}