maui-linux/Xamarin.Forms.Platform.GTK/Extensions/ButtonContentLayoutExtensions.cs

using Gtk;
using System;
using static Xamarin.Forms.Button;

namespace Xamarin.Forms.Platform.GTK.Extensions
{
    public static class ButtonContentLayoutExtensions
    {
        public static PositionType AsPositionType(this ButtonContentLayout.ImagePosition position)
        {
            switch (position)
            {
                case ButtonContentLayout.ImagePosition.Bottom:
                    return PositionType.Bottom;
                case ButtonContentLayout.ImagePosition.Left:
                    return PositionType.Left;
                case ButtonContentLayout.ImagePosition.Right:
                    return PositionType.Right;
                case ButtonContentLayout.ImagePosition.Top:
                    return PositionType.Top;
                default:
                    throw new ArgumentOutOfRangeException(nameof(position));
            }
        }
    }
}