Try this
Print GetFullPath(getenv_("temp")) Function GetFullPath:String( shortpath:String) Local buf:Short[1024] GetLongPathNameW( shortpath, buf, buf.Length) Return String.FromWString(buf) EndFunction Extern "win32" Function GetLongPathNameW( lpzshortpath$w, lpzlongpath:Short Ptr, cchbuff:Int) EndExtern