Public Overridable Property LockPicture As AnnPicture

Dim instance As AnnContainer
Dim value As AnnPicture
 
instance.LockPicture = value
 
value = instance.LockPicture

public virtual AnnPicture LockPicture {get; set;}

public:
virtual property AnnPicture^ LockPicture {
   AnnPicture^ get();
   void set (    AnnPicture^ value);
}

Public Sub AnnContainer_LockPicture(ByVal container As AnnContainer)
   ' we are going to create a new lock image that is 20 by 20 red ellipse with a blue cross inside it.
   Dim btmp As Bitmap = New Bitmap(20, 20, PixelFormat.Format32bppArgb)
   Dim g As Graphics = Graphics.FromImage(btmp)
   Try
      ' fill the image with a white color
      g.FillRectangle(Brushes.White, New Rectangle(0, 0, 20, 20))
      g.FillEllipse(Brushes.Red, New Rectangle(0, 0, 20, 20))
      g.DrawLine(Pens.Blue, 0, 0, 20, 20)
      g.DrawLine(Pens.Blue, 20, 0, 0, 20)
   Finally
      CType(g, IDisposable).Dispose()
   End Try
   ' create an annotation picture for this image, use white as the transparent color
   Dim pic As AnnPicture = New AnnPicture(btmp)
   pic.TransparentMode = AnnPictureTransparentMode.UseColor
   pic.TransparentColor = Color.White

   ' use this picture to draw all locked objects in this container
   container.LockPicture = pic
End Sub

public void AnnContainer_LockPicture(AnnContainer container)
{
   // we are going to create a new lock image that is 20 by 20 red ellipse with a blue cross inside it.
   Bitmap btmp = new Bitmap(20, 20, PixelFormat.Format32bppArgb);
   using (Graphics graphics = Graphics.FromImage(btmp))
   {
      // fill the image with a white color
      graphics.FillRectangle(Brushes.White, new Rectangle(0, 0, 20, 20));
      graphics.FillEllipse(Brushes.Red, new Rectangle(0, 0, 20, 20));
      graphics.DrawLine(Pens.Blue, 0, 0, 20, 20);
      graphics.DrawLine(Pens.Blue, 20, 0, 0, 20);
   }
   // create an annotation picture for this image, use white as the transparent color
   AnnPicture pic = new AnnPicture(btmp);
   pic.TransparentMode = AnnPictureTransparentMode.UseColor;
   pic.TransparentColor = Color.White;

   // use this picture to draw all locked objects in this container
   container.LockPicture = pic;
}