[Android.Runtime.Register("setOrientation", 
   "(Landroid/graphics/drawable/GradientDrawable$Orientation;)V", 
   "GetSetOrientation_Landroid_graphics_drawable_GradientDrawable_Orientation_Handler", 
   ApiSince=16)]
public virtual void SetOrientation( 
   Android.Graphics.Drawables.GradientDrawable.Orientation orientation
)