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Helper.cs
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Helper.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AppRTCDemo
{
public static class Helper
{
private static readonly Random _rng = new Random();
private const string _chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
/// <summary>
/// generate random string
/// </summary>
/// <param name="size">size of generated string</param>
/// <returns></returns>
public static string RandomString(int size)
{
char[] buffer = new char[size];
for (int i = 0; i < size; i++)
{
buffer[i] = _chars[_rng.Next(_chars.Length)];
}
return new string(buffer);
}
}
}