Public Overridable ReadOnly Property PhysicalTransform As Matrix

Dim instance As AnnObject
Dim value As Matrix
 
value = instance.PhysicalTransform

public virtual Matrix PhysicalTransform {get;}

public:
virtual property Matrix^ PhysicalTransform {
   Matrix^ get();
}

Private Sub AnnObject_PhysicalTransform(ByVal obj As AnnObject)
   ' this example only works with line objects
   If TypeOf obj Is AnnLineObject Then
      Dim line As AnnLineObject = CType(IIf(TypeOf obj Is AnnLineObject, obj, Nothing), AnnLineObject)
      ' show the logical coordinates of this line

      Dim pts As PointF() = {line.StartPoint.ConvertTo(line.Container.UnitConverter, AnnUnit.Pixel).ToPointF(), line.EndPoint.ConvertTo(line.Container.UnitConverter, AnnUnit.Pixel).ToPointF()}

      Console.WriteLine("Logical coordinates: {0}, {1}", pts(0), pts(1))

      ' show the physical coordinates of this line
      Dim mat As Matrix = line.PhysicalTransform
      Try
         Dim transformer As AnnTransformer = New AnnTransformer(line.Container.UnitConverter, mat)
         pts = transformer.PointToPhysical(pts)
         Console.WriteLine("Physical coordinates: {0}, {1}", pts(0), pts(1))
      Finally
         CType(mat, IDisposable).Dispose()
      End Try
   Else
      Console.WriteLine("Not an annotation line object!")
   End If
End Sub

private void AnnObject_PhysicalTransform(AnnObject obj)
{
   // this example only works with line objects
   if(obj is AnnLineObject)
   {
      AnnLineObject line = obj as AnnLineObject;
      // show the logical coordinates of this line

      PointF[] pts = 
       {
          line.StartPoint.ConvertTo(line.Container.UnitConverter, AnnUnit.Pixel).ToPointF(),
          line.EndPoint.ConvertTo(line.Container.UnitConverter, AnnUnit.Pixel).ToPointF()
       };

      Console.WriteLine("Logical coordinates: {0}, {1}", pts[0], pts[1]);

      // show the physical coordinates of this line
      using(Matrix mat = line.PhysicalTransform)
      {
         AnnTransformer transformer = new AnnTransformer(line.Container.UnitConverter, mat);
         pts = transformer.PointToPhysical(pts);
         Console.WriteLine("Physical coordinates: {0}, {1}", pts[0], pts[1]);
      }
   }
   else
      Console.WriteLine("Not an annotation line object!");
}