C# BitConverter.ToUInt64 মেথড

C#-এ BitConverter.ToUInt64() মেথডটি একটি বাইট অ্যারে-র নির্দিষ্ট পজিশন থেকে আট বাইট পড়ে ৬৪-বিট আনসাইনড ইন্টিজার (ulong) এ রূপান্তর করে।

সিনট্যাক্স

public static ulong ToUInt64 (byte[] val, int beginIndex);

উদাহরণ ১

using System;

public class Demo {
    public static void Main() {
        byte[] arr = { 0, 0, 1, 3, 5, 7, 9, 11, 15 };
        int count = arr.Length;
        Console.Write("Byte Array... ");
        for (int i = 0; i < count; i++) {
            Console.Write("\n" + arr[i]);
        }
        Console.WriteLine("\n\nByte Array (String representation) = {0} ", BitConverter.ToString(arr));
        for (int i = 1; i < arr.Length - 7; i = i + 8) {
            ulong res = BitConverter.ToUInt64(arr, i);
            Console.WriteLine("\nValue = " + arr[i]);
            Console.WriteLine("Result = " + res);
        }
    }
}

আউটপুট

Byte Array...
0
0
1
3
5
7
9
11
15
Byte Array (String representation) = 00-00-01-03-05-07-09-0B-0F
Value = 0
Result = 1083970061066240256

উদাহরণ ২

using System;

public class Demo {
    public static void Main() {
        byte[] arr = { 0, 0, 1, 3, 5, 7, 9, 11, 15, 0, 1, 6, 8, 10, 20, 25, 36, 34 };
        int count = arr.Length;
        Console.Write("Byte Array... ");
        for (int i = 0; i < count; i++) {
            Console.Write("\n" + arr[i]);
        }
        Console.WriteLine("\n\nByte Array (String representation) = {0} ", BitConverter.ToString(arr));
        for (int i = 1; i < arr.Length - 7; i = i + 8) {
            ulong res = BitConverter.ToUInt64(arr, i);
            Console.WriteLine("\nValue = " + arr[i]);
            Console.WriteLine("Result = " + res);
        }
    }
}

আউটপুট

Byte Array...
0
0
1
3
5
7
9
11
15
0
1
6
8
10
20
25
36
34
Byte Array (String representation) = 00-00-01-03-05-07-09-0B-0F-00-01-06-08-0A-14-19-24-22
Value = 0
Result = 1083970061066240256
Value = 0
Result = 2601132293100011776