移动（重绘）表单后，按钮上的动画gif停止

I have an animated gif placed on the button. It's animating ok (most of the times :P) but when the windows is redrawn (repainted) the animation stops. I have tried to refresh the button (button.Refresh() ) while handling Paint event but it didn't solve the issue. \I have an animated gif placed on the button. It