diff --git a/Mouse1.fsx b/Mouse1.fsx
index 7519657..fc25ac4 100644
--- a/Mouse1.fsx
+++ b/Mouse1.fsx
@@ -13,7 +13,7 @@ type MovingBox(r:Rectangle) =
     with get () = box.X
     and set(v) = box <- Rectangle(v, box.Y, box.Width, box.Height)
   member this.Y
-    with get () = box.X
+    with get () = box.Y
     and set(v) = box <- Rectangle(box.X, v, box.Width, box.Height)
   member this.Location
     with get() = Point(box.X, box.Y)
@@ -27,8 +27,8 @@ type MouseTest() as this =
   inherit UserControl()
 
   do
-//    this.SetStyle(ControlStyles.AllPaintingInWmPaint ||| ControlStyles.OptimizedDoubleBuffer, true)
-    this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true)
+    this.SetStyle(ControlStyles.AllPaintingInWmPaint ||| ControlStyles.OptimizedDoubleBuffer, true)
+    //this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true)
 
   let boxes = ResizeArray<MovingBox>()
   let mutable box = Rectangle(50, 50, 100, 100)