How to Get a File Size Using VB.NET

In this article I describe how to get a file size.
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Check if a File Exists

The Exists property returns true if a file exists. The following code snippet returns true if a file already exists.

Dim exists As Boolean = fi.Exists

Get a file size

The Length property returns the size of a file in bytes. The following code snippet returns the size of a file.

Imports System.IO

Module Module1

    Sub Main()

        Dim fileName As String = "C:\Temp\MaheshTXFI.txt"

        Dim fi As New IO.FileInfo(fileName)

        Dim exists As Boolean = fi.Exists

        If fi.Exists Then

            Console.WriteLine("File exists")

        End If

        ' Get file size

        Dim size As Long = fi.Length

        Console.WriteLine("File Size in Bytes: {0}", size)

        Console.ReadLine()

    End Sub

End Module

Output:

get file size.jpg

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