hi! Its me again! with new problem.
i have some code for downloading web page or file from internet and it is working good.
except when i try to change internet file pointer, fasmw shows error,
here is my [not mine+except some] code try it and tell me , what im missing!


format PE GUI 4.0
entry start

include '%fasminc%/win32a.inc'

section '.data' data readable writeable

Agent db 'MiniWeb',0
URL db 'http://www.freewebs.com/janib4all',0
Header db 'Host: www.google.com',0

InternetHandle dd ?
FileHandle dd ?
BytesRead dd ?
FileSize dd ?
FileBuffer rb 09010h



section '.code' code readable executable

start:
invoke InternetOpen,Agent,0,0,0,0
test eax,eax
jz exit
mov [InternetHandle],eax

invoke InternetOpenUrl,eax,URL,0,0,0,0
test eax,eax
jz url_err
mov [FileHandle],eax
; invoke InternetSetFilePointer,[FileHandle],0,0,FILE_BEGIN,0 ; err
invoke InternetReadFile,eax,FileBuffer,09000h,BytesRead
; invoke InternetSetFilePointer,[FileHandle],0,0,FILE_END,0 ; err
; mov [FileSize],eax
test eax,eax
jz read_err
mov [BytesRead],eax
invoke MessageBox,0,FileBuffer,Agent,0
read_err:
invoke InternetCloseHandle,[FileHandle]
url_err:
invoke InternetCloseHandle,[InternetHandle]
exit:
invoke ExitProcess,0





section '.idata' import data readable writeable

library kernel32,'KERNEL32.DLL',\
wininet,'WININET.DLL',\
user32,'USER32.DLL'

import kernel32,\
ExitProcess,'ExitProcess'

import user32,\
MessageBox,'MessageBoxA'

import wininet,\
InternetOpen,'InternetOpenA',\
InternetReadFile,'InternetReadFile',\
InternetOpenUrl,'InternetOpenUrlA',\
InternetSetFilePointer','InternetSetFilePointer',\
InternetCloseHandle,'InternetCloseHandle'