How can I get the assembly file version

Question

In AssemblyInfo there are two assembly versions    AssemblyVersion  Specify the version of the assembly being attributed  AssemblyFileVersion  Instructs a compiler to use a specific version number for the Win32 file version resource  The Win32 file version is not required to be the same as the assembly s version number    I can get the Assembly Version with the following line of code   Version version   Assembly GetEntryAssembly   GetName   Version    But how can I get the Assembly File Version

User · Answer

When I want to access the application file version (what is set in Assembly Information -> File version), say to set a label's text to it on form load to display the version, I have just used

versionlabel.Text = "Version " + Application.ProductVersion;

This approach requires a reference to System.Windows.Forms.

User · Answer

See my comment above asking for clarification on what you really want  Hopefully this is it   System Reflection Assembly assembly   System Reflection Assembly GetExecutingAssembly    System Diagnostics FileVersionInfo fvi   System Diagnostics FileVersionInfo GetVersionInfo assembly Location   string version   fvi FileVersion

User · Answer

UPDATE  As mentioned by Richard Grimes in my cited post   Iain and  Dmitry Lobanov  my answer is right in theory but wrong in practice  As I should have remembered from countless books  etc   while one sets these properties using the  assembly  XXXAttribute   they get highjacked by the compiler and placed into the VERSIONINFO resource  For the above reason  you need to use the approach in  Xiaofu s answer as the attributes are stripped after the signal has been extracted from them     public static string GetProductVersion       var attribute    AssemblyVersionAttribute Assembly      GetExecutingAssembly        GetCustomAttributes  typeof AssemblyVersionAttribute   true        Single       return attribute InformationalVersion      From http   bytes com groups net 420417-assemblyversionattribute - as noted there  if you re looking for a different attribute  substitute that into the above

User · Answer

Use this     AssemblyFileVersionAttribute Attribute GetCustomAttribute      Assembly GetExecutingAssembly         typeof AssemblyFileVersionAttribute   false    Version    Or this   new Version System Windows Forms Application ProductVersion

User · Answer

There are three versions   assembly  file  and product   They are used by different features and take on different default values if you don t explicit specify them     string assemblyVersion   Assembly GetExecutingAssembly   GetName   Version ToString     string assemblyVersion   Assembly LoadFile  your assembly file   GetName   Version ToString     string fileVersion   FileVersionInfo GetVersionInfo Assembly GetExecutingAssembly   Location  FileVersion   string productVersion   FileVersionInfo GetVersionInfo Assembly GetExecutingAssembly   Location  ProductVersion

[c#] How can I get the assembly file version

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