public override string EvaluateFunction(string prefix, string function, string[] args)
{
switch (prefix)
{
case "fileVersion":
// Make sure there actually is a file name
if (args.Length == 0 || args[0].Length == 0)
{
throw new ArgumentException("File name not specified");
}
// Make sure the file exists
if (!File.Exists(args[0]))
{
throw new ArgumentException(string.Format("File name {0} does not exist", args[0]));
}
// Get the file version information for the given file
FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(args[0]);
// Get the property that matches the name of the function
PropertyInfo propertyInfo = fileVersionInfo.GetType().GetProperty(function);
// Make sure the property exists
if (propertyInfo == null)
{
throw new ArgumentException(string.Format("Unable to find property {0} in FileVersionInfo", function));
}
// Return the value of the property as a string
return(propertyInfo.GetValue(fileVersionInfo, null).ToString());
}
return(null);
}
protected void Page_Load(object sender, EventArgs e)
{
if (Settings.ContainsKey("File"))
{
FileVersionInfo fileInfo = FileVersionInfo.GetVersionInfo(Settings["File"].ToString());
this.FileName = fileInfo.FileName;
this.FileDescription = fileInfo.FileDescription;
this.Type = fileInfo.GetType().ToString();
this.FileVersion = fileInfo.FileVersion;
this.ProductVersion = fileInfo.ProductVersion;
this.ProductName = fileInfo.ProductName;
this.Copyright = fileInfo.LegalCopyright;
FileInfo info = new FileInfo(Settings["File"].ToString());
this.DateModified = info.LastWriteTime;
this.CreationTime = info.CreationTime;
this.Size = info.Length;
this.FileNameOnly = info.Name;
}
}