Provides version information for a physical file on disk.
public ref class FileVersionInfo sealedpublic sealed class FileVersionInfotype FileVersionInfo = classPublic NotInheritable Class FileVersionInfoThe 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;
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
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 CommentsGets the comments associated with the file.
CompanyNameGets the name of the company that produced the file.
FileBuildPartGets the build number of the file.
FileDescriptionGets the description of the file.
FileMajorPartGets the major part of the version number.
FileMinorPartGets the minor part of the version number of the file.
FileNameGets the name of the file that this instance of FileVersionInfo describes.
FilePrivatePartGets the file private part number.
FileVersionGets the file version number.
InternalNameGets the internal name of the file, if one exists.
IsDebugGets a value that specifies whether the file contains debugging information or is compiled with debugging features enabled.
IsPatchedGets a value that specifies whether the file has been modified and is not identical to the original shipping file of the same version number.
IsPreReleaseGets a value that specifies whether the file is a development version, rather than a commercially released product.
IsPrivateBuildGets a value that specifies whether the file was built using standard release procedures.
IsSpecialBuildGets a value that specifies whether the file is a special build.
LanguageGets the default language string for the version info block.
LegalCopyrightGets all copyright notices that apply to the specified file.
LegalTrademarksGets the trademarks and registered trademarks that apply to the file.
OriginalFilenameGets the name the file was created with.
PrivateBuildGets information about a private version of the file.
ProductBuildPartGets the build number of the product this file is associated with.
ProductMajorPartGets the major part of the version number for the product this file is associated with.
ProductMinorPartGets the minor part of the version number for the product the file is associated with.
ProductNameGets the name of the product this file is distributed with.
ProductPrivatePartGets the private part number of the product this file is associated with.
ProductVersionGets the version of the product this file is distributed with.
SpecialBuildGets the special build information for the file.
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