Example of the Version class for vsSolutionBuildEvent documentation

0_Version.cs

// This code was generated by a tool. 
// Changes to this file may cause incorrect behavior and will be lost if the code is regenerated.
namespace net.r_eg.vsSBE
{
    internal class Version
    {
        public static readonly System.Version number    = new System.Version(0, 11, 3, 47085);
        public const string numberWithRevString         = "0.11.3.47085";
        public const string numberString                = "0.11.3";
        public const string branchName                  = "master";
        public const string branchSha1                  = "399a7e8";
        public const string branchRevCount              = "212";
        public const string informational               = "0.11.3.47085 [ 399a7e8 ]";
        public const string informationalFull           = "0.11.3.47085 [ 399a7e8 ] /'master':212";
    }
}

1_EventManager.cs

// ...

    try
    {
        Provider.ILibrary library = loader.load(solutionFile, properties, libPath, false);
        msg("Library: loaded from '{0}' :: v{1} [{2}] /'{3}':{4}", 
                            library.Dllpath, 
                            library.Version.Number.ToString(), 
                            library.Version.BranchSha1,
                            library.Version.BranchName,
                            library.Version.BranchRevCount);

        library.Event.solutionOpened(pUnkReserved, 0);
        return library;
    }
    catch(Exception ex) {
        // ...
    }            
    throw new AbortException();
    
// ...

2_AssemblyInfo.cs

// ...
[assembly: AssemblyVersion(Version.numberString)]
[assembly: AssemblyFileVersion(Version.numberString)]
[assembly: AssemblyInformationalVersion(Version.informational)]
// ...

3_AboutFrm.cs

#if !DEBUG
            labelVersionVal.Text = String.Format("v{0} [ {1} ]", Version.numberWithRevString, Version.branchSha1);
            if(Version.branchName.ToLower() != "releases") {
                labelVersionVal.Text += String.Format(" /\"{0}\":{1}", Version.branchName, Version.branchRevCount);
            }
#else
            labelVersionVal.Text = String.Format("v{0} Debug [ {1} ] /\"{2}\":{3}",
                                                    Version.numberWithRevString,
                                                    Version.branchSha1,
                                                    Version.branchName,
                                                    Version.branchRevCount);
#endif

cross link: Automatic Version Numbering