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FileVersionInfo.IsPreRelease Property

.NET Framework 4.5

Gets a value that specifies whether the file is a development version, rather than a commercially released product.

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

public bool IsPreRelease { get; }

Property Value

Type: System.Boolean
true if the file is prerelease; otherwise, false.

Examples

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

C++

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

     // Print whether the file is a prerelease version.
     textBox1.Text = "File is prerelease version " + myFileVersionInfo.IsPreRelease;
}

Version Information

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

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.

Reference

FileVersionInfo Class

System.Diagnostics Namespace

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