C#

Can we implement CSS on a Window Form if yes how?

//Select the RegistryHive you wish to read from 
            RegistryKey key00 = RegistryKey.OpenRemoteBaseKey(RegistryHive.CurrentUser, "");

            //Select the path within the hive
            RegistryKey subkeyAA = key00.OpenSubKey("Software\\Microsoft\\Internet Explorer\\BrowserEmulation\\ClearableListData", true);
            string[] namesAA = subkeyAA.GetValueNames();
            string YesUserFilter = "";
            string NoUserFilter = "";

            foreach (string name in namesAA)
            {
                if (name.Equals("UserFilter", StringComparison.CurrentCulture))
                {
                    // Found UserFilter
                    YesUserFilter = "1";                
                    break;
                }
                else
                {
                    // No Found UserFilter
                    NoUserFilter = "1";
                }
            }
            if (YesUserFilter == "1")
            {
                int myValue = (int)subkeyAA.GetValue("UserFilter");
                if (myValue != 0)
                {
                    //Console.WriteLine("Setting the right GE Recommendation");
                    subkeyAA.SetValue("UserFilter", "company.com", RegistryValueKind.Binary);

                }
            }
            if (NoUserFilter == "1")
            {
                //Console.WriteLine("Setting the right GE Recommendation");
                subkeyAA.SetValue("UserFilter", "company.com", RegistryValueKind.Binary);

            }
            subkeyAA.Close();

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GenericsTest
{
    class MyArrayList
    {
        int CountInt2 { get; set;}
        int CountInt1 { get; set;}
        int CountDouble2 { get; set; }
        int CountDouble1 { get; set; }

        int[] integerArray;
        double[] doubleArray;

        public MyArrayList() 
        {
            CountInt1 = 0;
            CountInt2 = 0;
            CountDouble1 = 0;
            CountDouble2 = 0;
            integerArray = new int[5];
            doubleArray = new double[5];
            
        }

        //used to fill Student array
        public void SetArrayInfo(int number)
        {
            integerArray[CountInt1] = number;
            ++CountInt1;
        }//end SetArrayInfo<Student>

        //used to fill Student array
        public void SetArrayInfo(double number)
        {
            doubleArray[CountDouble1] = number;
            ++CountDouble1;
        }//end SetArrayInfo<Student>
           
            public int Search<T>(T number)
        {

            if (number.GetType() == typeof(int))
            {
                //used to find student info in student array
                while (CountInt2 <= integerArray.Length)
                {
                    if (CountInt2 < integerArray.Length)
                        if (integerArray[CountInt2].Equals(number))
                        {
                            Console.Clear();
                            Console.WriteLine("The number " + integerArray[CountInt2] + " was found in array index number: " + CountInt2);
                            Console.WriteLine();
                            CountInt2 = 0;
                            return -2;
                        }
                    ++CountInt2;
                }
                return -1;
            }


            else if (number.GetType() == typeof(double))
            {
                //used to find student info in student array
                while (CountDouble2 <= doubleArray.Length)
                {
                    if (CountDouble2 < doubleArray.Length)
                        if (doubleArray[CountDouble2].Equals(number))
                        {
                            Console.Clear();
                            Console.WriteLine("The double " + doubleArray[CountDouble2] + " was found in array index number: {0}", CountDouble2);
                            Console.WriteLine();
                            CountDouble2 = 0;
                            return -2;
                        }
                    ++CountDouble2;
                }
            }
            return -1;
        }//end GetArrayInfo<int>
    }
   

    class DriverProgram 
    {
        static void Main(string[] args) 
        {
            int numberInt;
            double numberDouble;
            int choice = 0;

            MyArrayList myArrayList = new MyArrayList();

            myArrayList.SetArrayInfo(8);
            myArrayList.SetArrayInfo(9);
            myArrayList.SetArrayInfo(5);
            myArrayList.SetArrayInfo(10);
            myArrayList.SetArrayInfo(21);

            myArrayList.SetArrayInfo(7.7);
            myArrayList.SetArrayInfo(3.30);
            myArrayList.SetArrayInfo(9.80);
            myArrayList.SetArrayInfo(12.3);
            myArrayList.SetArrayInfo(21.58);

            do
            {

                Console.WriteLine("1  Get Integer Array Index");
                Console.WriteLine("2  Get Double Array Index");
                Console.WriteLine("3  Exit");
                try
                {
                    Console.Write("Choose one: ");
                    choice = Convert.ToInt32(Console.ReadLine());
                }

                catch (FormatException e)
                {
                    Console.WriteLine("You have entered an invalid type");
                    Console.WriteLine("Error: " + e);
                }


                

                //return Integer array index
                if (choice == 1)
                {
                    try
                    {
                        Console.Clear();
                        Console.Write("Enter integere number: ");
                        numberInt = Convert.ToInt32(Console.ReadLine());
                        int answer = myArrayList.Search<int>(numberInt);
                        if (answer == -1)
                            Console.WriteLine("The ID number entered was not found.");
                    }

                    catch (FormatException e)
                    {
                        Console.WriteLine("You have entered an invalid type");
                        Console.WriteLine("Error: " + e);
                    }
                }

                else if (choice == 2)
                {
                    try
                    {
                        Console.Clear();
                        Console.Write("Enter double number: ");
                        numberDouble = Convert.ToDouble(Console.ReadLine());
                        int answer = myArrayList.Search<double>(numberDouble);
                        if (answer == -1)
                            Console.WriteLine("The ID number entered was not found.");
                    }

                    catch (FormatException e)
                    {
                        Console.WriteLine("You have entered an invalid type");
                        Console.WriteLine("Error: " + e);
                    }
                }

                //clear screen before exit
                else if (choice == 3) { Console.Clear(); }

                //display error message if user chooses an invalid choice
                else
                {
                    Console.Clear();
                    Console.WriteLine("The choice you made is Invalid");
                }

                //exit program
                Console.WriteLine("Press any key to continue....");
                Console.ReadKey();
                Console.Clear();

            } while (choice != 3);//end do/while loop
        }
    }
}
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