private void SubButton_Clicked(object sender, EventArgs e)
        {
            int index = StackLayout.Children.IndexOf(((View)sender).Parent as View);

            Parette.RemoveAt(index);
            ((MJViewModel)BindingContext).ColorParette = ColorParette.Select(x => new ColorResolutionStruct {
                Color = x.Color, Position = (double)x.Position / 100
            }).ToArray();
        }
        private void AddButton_Clicked(object sender, EventArgs e)
        {
            int index = StackLayout.Children.IndexOf(((View)sender).Parent as View);

            Parette.Insert(index, new GradationDrawer.ColPos {
                Color = Parette[index].Color, Position = Parette[index].Position
            });
            ((MJViewModel)BindingContext).ColorParette = ColorParette.Select(x => new ColorResolutionStruct {
                Color = x.Color, Position = (double)x.Position / 100
            }).ToArray();
        }