Update this Rect to enclose itself and the specified rectangle.
Syntax
[Android.Runtime.Register("union", "(Landroid/graphics/RectF;)V", "GetUnion_Landroid_graphics_RectF_Handler")] public virtual voidUnion (RectF r)
Parameters
r
The rectangle being unioned with this rectangle
Remarks
Update this Rect to enclose itself and the specified rectangle. If the
specified rectangle is empty, nothing is done. If this rectangle is empty
it is set to the specified rectangle.