FileVersionInfo Class

Reference

Definition

Namespace:: System.Diagnostics

Assembly:: System.Diagnostics.FileVersionInfo.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Source:: FileVersionInfo.cs

Source:: FileVersionInfo.cs

Source:: FileVersionInfo.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Provides version information for a physical file on disk.

public ref class FileVersionInfo sealed

public sealed class FileVersionInfo

type FileVersionInfo = class

Public NotInheritable Class FileVersionInfo

Inheritance: Object
FileVersionInfo

Examples

The following example calls GetVersionInfo to get the FileVersionInfo for the Notepad. Then it prints the file description and version number to the console.

#using <System.dll>

using namespace System;
using namespace System::IO;
using namespace System::Diagnostics;


public ref class Class1
{
    
public:
    static void Main()
    {
        // Get the file version for the notepad.
        // Use either of the two following methods.
        FileVersionInfo::GetVersionInfo(Path::Combine(Environment::SystemDirectory, "Notepad.exe"));
        FileVersionInfo^ myFileVersionInfo = FileVersionInfo::GetVersionInfo(Environment::SystemDirectory + "\\Notepad.exe");


        // Print the file name and version number.
        Console::WriteLine("File: " + myFileVersionInfo->FileDescription + "\n" +
           "Version number: " + myFileVersionInfo->FileVersion);
    }
};

int main()
{
    Class1::Main();
}


using System;
using System.IO;
using System.Diagnostics;

class Class1
{
    public static void Main(string[] args)
    {
        // Get the file version for the notepad.
        // Use either of the two following commands.
        FileVersionInfo.GetVersionInfo(Path.Combine(Environment.SystemDirectory, "Notepad.exe"));
        FileVersionInfo myFileVersionInfo = FileVersionInfo.GetVersionInfo(Environment.SystemDirectory + "\\Notepad.exe");

        // Print the file name and version number.
        Console.WriteLine("File: " + myFileVersionInfo.FileDescription + '\n' +
           "Version number: " + myFileVersionInfo.FileVersion);
    }
}

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

Remarks

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

The first 16 bits are the FileMajorPart number.
The next 16 bits are the FileMinorPart number.
The third set of 16 bits are the FileBuildPart number.
The last 16 bits are the FilePrivatePart number.

Use the GetVersionInfo method of this class to get a FileVersionInfo containing information about a file, then look at the properties for information about the file. The FileVersion property provides version information about the file. The ProductMajorPart, ProductMinorPart, ProductBuildPart, ProductPrivatePart, and ProductVersion properties provide version information for the product that the specified file is a part of. Call ToString to get a partial list of properties and their values for this file.

The FileVersionInfo properties are based on version resource information built into the file. Version resources are often built into binary files such as .exe or .dll files; text files do not have version resource information.

Version resources are typically specified in a Win32 resource file, or in assembly attributes. For example the IsDebug property reflects the VS_FF_DEBUG flag value in the file's VS_FIXEDFILEINFO block, which is built from the VERSIONINFO resource in a Win32 resource file. For more information about specifying version resources in a Win32 resource file, see "About Resource Files" and "VERSIONINFO Resource" in the Platform SDK. For more information about specifying version resources in a .NET module, see the Setting Assembly Attributes topic.

Note

This class makes a link demand at the class level that applies to all members. A SecurityException is thrown when the immediate caller does not have full trust permission. For details about link demands, see Link Demands.

Properties

Comments	Gets the comments associated with the file.
CompanyName	Gets the name of the company that produced the file.
FileBuildPart	Gets the build number of the file.
FileDescription	Gets the description of the file.
FileMajorPart	Gets the major part of the version number.
FileMinorPart	Gets the minor part of the version number of the file.
FileName	Gets the name of the file that this instance of FileVersionInfo describes.
FilePrivatePart	Gets the file private part number.
FileVersion	Gets the file version number.
InternalName	Gets the internal name of the file, if one exists.
IsDebug	Gets a value that specifies whether the file contains debugging information or is compiled with debugging features enabled.
IsPatched	Gets a value that specifies whether the file has been modified and is not identical to the original shipping file of the same version number.
IsPreRelease	Gets a value that specifies whether the file is a development version, rather than a commercially released product.
IsPrivateBuild	Gets a value that specifies whether the file was built using standard release procedures.
IsSpecialBuild	Gets a value that specifies whether the file is a special build.
Language	Gets the default language string for the version info block.
LegalCopyright	Gets all copyright notices that apply to the specified file.
LegalTrademarks	Gets the trademarks and registered trademarks that apply to the file.
OriginalFilename	Gets the name the file was created with.
PrivateBuild	Gets information about a private version of the file.
ProductBuildPart	Gets the build number of the product this file is associated with.
ProductMajorPart	Gets the major part of the version number for the product this file is associated with.
ProductMinorPart	Gets the minor part of the version number for the product the file is associated with.
ProductName	Gets the name of the product this file is distributed with.
ProductPrivatePart	Gets the private part number of the product this file is associated with.
ProductVersion	Gets the version of the product this file is distributed with.
SpecialBuild	Gets the special build information for the file.

Methods

Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
GetVersionInfo(String)	Returns a FileVersionInfo representing the version information associated with the specified file.
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a partial list of properties in the FileVersionInfo and their values.

Applies to

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