获取CodeSmith的版本号

private CodesmithVersion GetCodesmithVersion()
{
    try
    {
        string version = typeof(CodeTemplate).Assembly.GetName().Version.ToString();
        if(version != null)
        {
            if (version.IndexOf("3.2") >= 0)
                return CodesmithVersion.Codesmith32;
            else if (version.IndexOf("3.1") >=0)
                return CodesmithVersion.Codesmith31;
            else if (version.IndexOf("3.0") >=0)
                return CodesmithVersion.Codesmith30;
            else if (version.IndexOf("2.6") >= 0)
                return CodesmithVersion.Codesmith26;
        }
    }
    catch
    {
        //could not discover version info.    
    }
    
    return CodesmithVersion.Unknown;
}