LayoutFarm.ClientImageBinder.SetOwner C# (CSharp) Method

        public void SetOwner(UI.IEventListener listener)
        {
            this.listener = listener;
        }
    }

 void AddScrollView2(SampleViewport viewport, int x, int y)
 {
     var panel = new LayoutFarm.CustomWidgets.SimpleBox(800, 600);
     panel.SetLocation(x + 30, y + 30);
     panel.BackColor = Color.LightGray;
     panel.ContentLayoutKind = CustomWidgets.BoxContentLayoutKind.VerticalStack;
     viewport.AddContent(panel);
     //-------------------------  
     //load images...
     int lastY = 0;
     for (int i = 0; i < 5; ++i)
     {
         var imgbox = new LayoutFarm.CustomWidgets.ImageBox(36, 400);
         //if (!System.IO.File.Exists("../../images/0" + (i + 1) + ".jpg"))
         //{
         //}
         ClientImageBinder binder = new ClientImageBinder("../../images/0" + (i + 1) + ".jpg");
         binder.SetOwner(imgbox);
         binder.SetLazyFunc(LazyImageLoad);
         //if use lazy img load func
         imageContentMan.AddRequestImage(binder);
         imgbox.ImageBinder = binder;
         imgbox.BackColor = Color.OrangeRed;
         imgbox.SetLocation(0, lastY);
         imgbox.MouseUp += (s, e) =>
         {
             if (e.Button == UIMouseButtons.Right)
             {
                 //test remove this imgbox on right mouse click
                 panel.RemoveChild(imgbox);
             }
         };
         lastY += imgbox.Height + 5;
         panel.AddChild(imgbox);
     }
     //--------------------------
     //panel may need more 
     panel.SetViewport(0, 0);
     //-------------------------  
     {
         //vertical scrollbar
         var vscbar = new LayoutFarm.CustomWidgets.ScrollBar(15, 200);
         vscbar.SetLocation(x + 10, y + 10);
         vscbar.MinValue = 0;
         vscbar.MaxValue = lastY;
         vscbar.SmallChange = 20;
         viewport.AddContent(vscbar);
         //add relation between viewpanel and scroll bar 
         var scRelation = new LayoutFarm.CustomWidgets.ScrollingRelation(vscbar, panel);
     }
     //-------------------------  
     {
         //horizontal scrollbar
         var hscbar = new LayoutFarm.CustomWidgets.ScrollBar(150, 15);
         hscbar.ScrollBarType = CustomWidgets.ScrollBarType.Horizontal;
         hscbar.SetLocation(x + 30, y + 10);
         hscbar.MinValue = 0;
         hscbar.MaxValue = 170;
         hscbar.SmallChange = 20;
         viewport.AddContent(hscbar);
         //add relation between viewpanel and scroll bar 
         var scRelation = new LayoutFarm.CustomWidgets.ScrollingRelation(hscbar, panel);
     }
     panel.PerformContentLayout();
 }