Random true flag

random-true-flag.cs

    [Flags]
    public enum CharType
    {
        Number = 0x0,
        Upper = 0x1,
        Lower = 0x2
    }
        
    public CharGenerator(CharType charType)
    { 
        this. _random = new Random();
    }

    public char genarateRandomChar(CharType charType)
    {
    
        string temp = string.Empty;
    
        // I want to modify this.
        if (charType.HasFlag(CharType.Number))
        {
            temp += this.gerarCharNumber();     // call #1
        }
        if (charType.HasFlag(CharType.Upper))
        {
            temp += this.gerarCharUpper();      // call #2
        }
        if (charType.HasFlag(CharType.Lower))
        {
            temp += this.gerarCharLower();      // call #3
        }
    
        // I call 3 methods to use only one char.
        return temp[_random.Next(0, temp.Length)];
    
    }