Random password class in C#

rndpws.cs

/* Random Password Class
 * This example shows how to create a list of random passwords.
 * By DreamVB on 21:28 17/08/2018
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using PasswordGenerator;

namespace PasswordGenerator
{
    class TPassGen
    {
        private const string pws_Upper = "ABCDEFGHIJKLMNOPQRSTUVWXTZ";
        private const string pws_Lower = "abcdefghiklmnopqrstuvwxyz";
        private const string pws_Digits = "0123456789";
        private const string pws_Special = "!?#$&*@%()+-=[]{}|~.,";

        private bool pwsUpper = true;
        private bool PwsLower = true;
        private bool PwsDigits = true;
        private bool PwsSymbol = false;
        private int PwsLength = 8;
        private Random rnd = new Random();

        //Class properties.
        public bool Uppercase
        {
            get
            {
                return this.pwsUpper;
            }
            set
            {
                pwsUpper = value;
            }
        }

        public bool Lowercase
        {
            get
            {
                return this.PwsLower;
            }
            set
            {
                pwsUpper = value;
            }
        }

        public bool Digits
        {
            get
            {
                return this.PwsDigits;
            }
            set
            {
                PwsDigits = value;
            }
        }

        public bool Symbols
        {
            get
            {
                return this.PwsSymbol;
            }
            set
            {
                PwsSymbol = value;
            }
        }

        public int Length
        {
            get
            {
                return this.PwsLength;
            }
            set
            {
                PwsLength = value;
            }
        }

        public string Password
        {
            get
            {
                int x = 0;
                string pwsMask = string.Empty;
                string pws = string.Empty;
                int r = 0;

                //Check if using uppercase chars.
                if (this.pwsUpper)
                {
                    pwsMask += pws_Upper;
                }
                //Check if using lowercase chars.
                if (this.PwsLower)
                {
                    pwsMask += pws_Lower;
                }
                //Check if using digits
                if (this.PwsDigits)
                {
                    pwsMask += pws_Digits;
                }
                //Check if using symbols.
                if (this.PwsSymbol)
                {
                    pwsMask += pws_Special;
                }
                //Generate the random password.
                for (x = 0; x < Length;x++ )
                {
                    //Get random number based on pwsMask length.
                    r = rnd.Next() % pwsMask.Length;
                    //Build the random password.
                    pws += pwsMask[r];
                }
               //Return random Password.
                return pws;
            }
        }
    }
}

namespace PwsGen
{
    class Program
    {
        static void Main(string[] args)
        {
            //Declare the random password class.
            TPassGen Pws = new TPassGen();
            //Length of password to create
            Pws.Length = 8;
            //Show symbols in password.
            Pws.Symbols = true;

            //Print out 16 random passwords.
            for (int i = 1; i <= 16; i++)
            {
                //Write random password.
                Console.WriteLine("Password[" + i.ToString() + "] " + Pws.Password);
                //INC counter.
            }

            Console.Read();
        }
    }
}