public void DrawOnTop()
{
Transaction trans = _document.TransactionManager.TopTransaction;
BlockTableRecord btr = _document.Database.GetModelSpace(false);
DrawOrderTable drawOrder = trans.GetObject(btr.DrawOrderTableId, OpenMode.ForWrite) as DrawOrderTable;
ObjectIdCollection ids = new ObjectIdCollection();
ids.Add(BaseObject);
drawOrder.MoveToTop(ids);
}
///// <summary>
///// 设置动态块属性
///// </summary>
///// <param name="br">要设置属性的动态块参照</param>
///// <param name="Properties">属性数组</param>
//public static void SetDynamicValue(BlockReference br, Property[] properties)
//{
// try
// {
// if (br.IsDynamicBlock)
// {
// foreach (DynamicBlockReferenceProperty dbrp in br.DynamicBlockReferencePropertyCollection)
// {
// for (int i = 0; i < properties.Length; i++)
// {
// if (dbrp.PropertyName == properties[i].PropertyName)
// {
// dbrp.Value = properties[i].Value;
// }
// }
// }
// }
// }
// catch
// { }
//}
///// <summary>
///// 动态块属性
///// </summary>
//public class Property
//{
// private string propertyname;
// private double value;
// public string PropertyName
// {
// get { return propertyname; }
// }
// public double Value
// {
// get { return value; }
// }
// public Property(string PropertyName, double Value)
// {
// propertyname = PropertyName;
// value = Value;
// }
//}
/// <summary>
/// 改变对象的绘图次序到顶层
/// </summary>
/// <param name="ent"></param>
/// <param name="db"></param>
public static void MoveTop(this Entity ent, Database db)
{
using (Transaction tr = db.TransactionManager.StartTransaction())
{
ObjectIdCollection idc = new ObjectIdCollection();
idc.Add(ent.ObjectId);
BlockTable bt = (BlockTable)tr.GetObject(db.BlockTableId, OpenMode.ForWrite, false);
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace],
OpenMode.ForWrite, false);
DrawOrderTable orderTable = tr.GetObject(btr.DrawOrderTableId, OpenMode.ForWrite) as
DrawOrderTable;
orderTable.MoveToTop(idc);
tr.Commit();
}
}
/// <summary>
///
/// </summary>
/// <param name="ent"></param>
/// <param name="db"></param>
public bool MoveTop(bool istop)
{
DocumentLock doclock = null;
try
{
Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
doclock = doc.LockDocument();
Database db = HostApplicationServices.WorkingDatabase;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
try
{
ObjectIdCollection idc = new ObjectIdCollection();
idc.Add(parEntityId);
BlockTable bt = (BlockTable)tr.GetObject(db.BlockTableId, OpenMode.ForWrite, false);
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false);
DrawOrderTable orderTable = tr.GetObject(btr.DrawOrderTableId, OpenMode.ForWrite) as DrawOrderTable;
if (istop)
{
orderTable.MoveToTop(idc);
}
else
{
orderTable.MoveToBottom(idc);
}
}
catch (Autodesk.AutoCAD.Runtime.Exception eex)
{ }
catch (System.Exception ex) { }
tr.Commit();
}
}
catch (Autodesk.AutoCAD.Runtime.Exception eex)
{ return(false); }
catch (System.Exception ex) { return(false); }
finally
{
doclock.Dispose();
}
return(true);
}
/// <summary>
/// Sets the display order.
/// </summary>
/// <param name="transaction">The transaction.</param>
/// <param name="oids">The object ids.</param>
/// <param name="sendToTop">The draw order.</param>
public static void SetDisplayOrder(Transaction transaction, ObjectIdCollection oids, bool sendToTop)
{
//_logger.Debug("Start SetDisplayOrder");
if (oids == null)
{
throw new NullReferenceException("oids is null");
}
// verify the arguments
//
if (oids.Count == 0)
{
return;
}
// get the database from the the first objectId
//
Autodesk.AutoCAD.DatabaseServices.Database db = oids[0].Database;
// create a transaction if needed
//
Transaction trans = null;
if (transaction == null)
{
trans = db.TransactionManager.StartTransaction();
}
else
{
trans = transaction;
}
// now get the draworder table and set accordingly
//
using (BlockTable blockTable = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead))
{
using (BlockTableRecord btr = (BlockTableRecord)trans.GetObject(blockTable[BlockTableRecord.ModelSpace], OpenMode.ForWrite))
{
using (DrawOrderTable drawOrderTable = trans.GetObject(btr.DrawOrderTableId, OpenMode.ForWrite) as DrawOrderTable)
{
if (drawOrderTable != null)
{
if (sendToTop)
{
drawOrderTable.MoveToTop(oids);
}
else
{
drawOrderTable.MoveToBottom(oids);
}
}
}
}
}
// cleanup transaction if needed
//
if (transaction == null)
{
trans.Commit();
trans.Dispose();
}
//_logger.Debug("End SetDisplayOrder");
}
