maui-linux/Xamarin.Forms.Core/BorderElement.cs

using System;

namespace Xamarin.Forms
{
	static class BorderElement
	{
		public const int DefaultCornerRadius = -1;

		public static readonly BindableProperty BorderColorProperty =
			BindableProperty.Create(nameof(IBorderElement.BorderColor), typeof(Color), typeof(IBorderElement), Color.Default,
									propertyChanged: OnBorderColorPropertyChanged);

		public static readonly BindableProperty BorderWidthProperty = BindableProperty.Create(nameof(IBorderElement.BorderWidth), typeof(double), typeof(IBorderElement), -1d);

		public static readonly BindableProperty CornerRadiusProperty = BindableProperty.Create(nameof(IBorderElement.CornerRadius), typeof(int), typeof(IBorderElement), defaultValue: DefaultCornerRadius);

		static void OnBorderColorPropertyChanged(BindableObject bindable, object oldValue, object newValue)
		{
			((IBorderElement)bindable).OnBorderColorPropertyChanged((Color)oldValue, (Color)newValue);
		}
	}
}