Data Type C# Tutorial

using System;
public enum LineStyle
{
    Solid,
    Dotted,
    DotDash,
}
    
class MainClass
{
    public static void Main()
    {
        DrawLine(LineStyle.Solid);
        DrawLine((LineStyle) 35);
    }
    public static void DrawLine(LineStyle lineStyle)
    {
        switch (lineStyle)
        {
            case LineStyle.Solid:
                Console.WriteLine("draw solid");
                break;
            
            case LineStyle.Dotted:
                Console.WriteLine("draw dotted");
                break;
            
            case LineStyle.DotDash:
                Console.WriteLine("draw dotdash");
                break;
            
            default:
                throw(new ArgumentException("Invalid line style"));
        }
    }
    
}
draw solid
Unhandled Exception: System.ArgumentException: Invalid line style
at MainClass.DrawLine(LineStyle lineStyle)
at MainClass.Main()