FileVersionInfo.IsSpecialBuild Property

Gets a value that specifies whether the file is a special build.

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

public bool IsSpecialBuild { get; }

Property Value

Type: System.Boolean
true if the file is a special build; otherwise, false.

A file that is a special build was built using standard release procedures, but the file differs from a standard file of the same version number. If this value is true, the SpecialBuild property must specify how this file differs from the standard version.

The following example calls GetVersionInfo to get the FileVersionInfo for the Notepad. Then it displays whether this version is a special build version in a text box. This code assumes textBox1 has been instantiated.

private void GetIsSpecialBuild()
    // Get the file version for the notepad.
    FileVersionInfo myFileVersionInfo =
        FileVersionInfo.GetVersionInfo(Environment.SystemDirectory + "\\Notepad.exe");

    // Print whether the file is a special build.
    textBox1.Text = "File is a special build: " + myFileVersionInfo.IsSpecialBuild;

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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