FileVersionInfo.FileVersion Property


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Gets the file version number.

Namespace:   System.Diagnostics
Assembly:  System (in System.dll)

Public ReadOnly Property FileVersion As String

Property Value

Type: System.String

The version number of the file or null if the file did not contain version information.

Typically, a version number is displayed as "major number.minor number.private part number". A file version number is a 64-bit number that holds the version number for a file as follows:

The following example calls GetVersionInfo to get the FileVersionInfo for the Notepad. Then it prints the file description and version number in a text box. This code assumes textBox1 has been instantiated.

Imports System
Imports System.IO
Imports System.Diagnostics

Class Class1

    Public Shared Sub Main(ByVal args() As String)
        ' Get the file version for the notepad.
        ' Use either of the following two commands.
        FileVersionInfo.GetVersionInfo(Path.Combine(Environment.SystemDirectory, "Notepad.exe"))
        Dim myFileVersionInfo As FileVersionInfo = FileVersionInfo.GetVersionInfo(Environment.SystemDirectory + "\Notepad.exe")

        ' Print the file name and version number.
        Console.WriteLine("File: " + myFileVersionInfo.FileDescription + vbLf + "Version number: " + myFileVersionInfo.FileVersion)

    End Sub
End Class

.NET Framework
Available since 1.1
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