LAMW: how i can delete file

[majid.ebru]

Hi
 how i can delete file
(i read page20 to page65 but i don't see how i can delete file?
or
which sample explain it?)

[jmpessoa]

DeleteFile(_environmentDir: TEnvDirectory; _filename: string);

example:

Self.DeleteFile(dirDownloads, 'myfile.txt');