/// <summary>
/// See http://www.theswamp.org/index.php?topic=42034.msg471839#msg471839
/// </summary>
public class RefSearchFiler : Autodesk.AutoCAD.DatabaseServices.DwgFiler
{
private ObjectId referencedId;
private DBObject current = null;
private ObjectIdCollection referencingObjectIds = new ObjectIdCollection();
// Pass the Id of the object to find references to:
public RefSearchFiler( ObjectId referencedId )
{
this.referencedId = referencedId;
}
// Search the parameter for references to the referencedId:
public void Find( DBObject obj )
{
this.current = obj;
try
{
obj.DwgOut( this );
}
finally
{
this.current = null;
}
}
// The ObjectIds of all referencing objects:
public ObjectIdCollection ReferencingObjectIds
{
get
{
return referencingObjectIds;
}
}
public override void WriteSoftOwnershipId( ObjectId value )
{
OnWriteReference( value );
}
public override void WriteSoftPointerId( ObjectId value )
{
OnWriteReference( value );
}
public override void WriteHardOwnershipId( ObjectId value )
{
OnWriteReference( value );
}
public override void WriteHardPointerId( ObjectId value )
{
OnWriteReference( value );
}
// In this case, we don't care about whether a reference
// is hard/soft/owner/pointer, but we could discriminate
// further if needed.
void OnWriteReference( ObjectId value )
{
if( value == referencedId && this.current != null )
{
referencingObjectIds.Add( this.current.ObjectId );
this.current = null;
}
}
// ************************************************************
public override void WriteVector3d(Autodesk.AutoCAD.Geometry.Vector3d value)
{
}
public override void WriteVector2d(Autodesk.AutoCAD.Geometry.Vector2d value)
{
}
public override void WriteUInt64(ulong value)
{
}
public override void WriteUInt32(uint value)
{
}
public override void WriteUInt16(ushort value)
{
}
public override void WriteString(string value)
{
}
public override void WriteScale3d(Autodesk.AutoCAD.Geometry.Scale3d value)
{
}
public override void WritePoint3d(Autodesk.AutoCAD.Geometry.Point3d value)
{
}
public override void WritePoint2d(Autodesk.AutoCAD.Geometry.Point2d value)
{
}
public override void WriteInt64(long value)
{
}
public override void WriteInt32(int value)
{
}
public override void WriteInt16(short value)
{
}
public override void WriteHandle(Autodesk.AutoCAD.DatabaseServices.Handle handle)
{
}
public override void WriteDouble(double value)
{
}
public override void WriteBytes(byte[] value)
{
}
public override void WriteByte(byte value)
{
}
public override void WriteBoolean(bool value)
{
}
public override void WriteBinaryChunk(byte[] chunk)
{
}
public override void WriteAddress(IntPtr value)
{
}
public override void Seek(long offset, int method)
{
}
public override void ResetFilerStatus()
{
}
public override Autodesk.AutoCAD.Geometry.Vector3d ReadVector3d()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.Geometry.Vector2d ReadVector2d()
{
throw new NotImplementedException();
}
public override ulong ReadUInt64()
{
throw new NotImplementedException();
}
public override uint ReadUInt32()
{
throw new NotImplementedException();
}
public override ushort ReadUInt16()
{
throw new NotImplementedException();
}
public override string ReadString()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.DatabaseServices.ObjectId ReadSoftPointerId()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.DatabaseServices.ObjectId ReadSoftOwnershipId()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.Geometry.Scale3d ReadScale3d()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.Geometry.Point3d ReadPoint3d()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.Geometry.Point2d ReadPoint2d()
{
throw new NotImplementedException();
}
public override long ReadInt64()
{
throw new NotImplementedException();
}
public override int ReadInt32()
{
throw new NotImplementedException();
}
public override short ReadInt16()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.DatabaseServices.ObjectId ReadHardPointerId()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.DatabaseServices.ObjectId ReadHardOwnershipId()
{
throw new NotImplementedException();
}
public override Autodesk.AutoCAD.DatabaseServices.Handle ReadHandle()
{
throw new NotImplementedException();
}
public override double ReadDouble()
{
throw new NotImplementedException();
}
public override void ReadBytes(byte[] value)
{
throw new NotImplementedException();
}
public override byte ReadByte()
{
throw new NotImplementedException();
}
public override bool ReadBoolean()
{
throw new NotImplementedException();
}
public override byte[] ReadBinaryChunk()
{
throw new NotImplementedException();
}
public override IntPtr ReadAddress()
{
throw new NotImplementedException();
}
public override long Position {
get {
throw new NotImplementedException();
}
}
public override Autodesk.AutoCAD.DatabaseServices.FilerType FilerType {
get {
return FilerType.BagFiler;
}
}
public override Autodesk.AutoCAD.Runtime.ErrorStatus FilerStatus {
get {
return new ErrorStatus();
}
set {
throw new NotImplementedException();
}
}
}
