C# Get the number of bytes of a file

The FileInfo type has a Length property that determines how many bytes the file is.

First, set up the file -

FileInfo file = new FileInfo("D:\ew");

Now use the length attribute -

file.Length

Here is the complete code -

Example

using System;
using System.Linq;
using System.IO;
class Program {
   static void Main() {
      FileInfo file = new FileInfo("D:\ew");
      long res = file.Length;
      Console.WriteLine("Bytes: "+res);
   }
}

Output

The following is the output-

3259244

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