public static int BottomDepth(this IArea area)
{
return(area.DepthWhile(child => child.Bottom == area.Bottom));
}
public static int RightDepth(this IArea area)
{
return(area.DepthWhile(child => child.Right == area.Right));
}
public static int TopDepth(this IArea area)
{
return(area.DepthWhile(child => child.Top == area.Top));
}
public static int LeftDepth(this IArea area)
{
return(area.DepthWhile(child => child.Left == area.Left));
}