A rectangle drawing function with custom variables TEXT-ONLY

public static void DrawRectangle(int length, int height, int thickness)
        {
            //Converts to an absolute, so incase if a negative number is used, it can still work and doesn't 'brick' the function
            int x = Math.Abs(length);
            int y = Math.Abs(height);
            int t = Math.Abs(thickness);
            for (int i = 0; i < y; i++)
            {
                for (int l = 0; l < x; l++)
                {
                    if (i < t || i > y - t - 1 || l < t || l > x - t - 1)
                        Console.Write("#");
                    else
                        Console.Write("=");
                    Console.Write(" "); //REMOVE THIS IF WANTED, as it only adds a space so it looks nicer in the final product
                }
                Console.WriteLine();
            }
        }