Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

This function sets an Internet option on the specified handle.

Syntax 

BOOL WINAPI InternetSetOption(
  HINTERNET 
hInternet, 
  DWORD 
dwOption, 
  LPVOID 
lpBuffer, 
  DWORD 
dwBufferLength
);

Parameters

hInternet

[in] Internet handle on which to set information.

dwOption

[in] Specifies the Internet option to set. The following Option Flagsvalues are supported:

  • INTERNET_OPTION_CONTEXT_VALUE

  • INTERNET_OPTION_CONNECT_TIMEOUT

  • INTERNET_OPTION_CONNECT_RETRIES

  • INTERNET_OPTION_CONNECT_BACKOFF

  • INTERNET_OPTION_CONTROL_SEND_TIMEOUT

  • INTERNET_OPTION_CONTROL_RECEIVE_TIMEOUT

  • INTERNET_OPTION_DATA_SEND_TIMEOUT

  • INTERNET_OPTION_DATA_RECEIVE_TIMEOUT

  • INTERNET_OPTION_READ_BUFFER_SIZE

  • INTERNET_OPTION_WRITE_BUFFER_SIZE

  • INTERNET_OPTION_USERNAME

  • INTERNET_OPTION_PASSWORD

  • INTERNET_OPTION_PROXY

  • INTERNET_OPTION_USER_AGENT

  • INTERNET_OPTION_RECEIVE_TIMEOUT

  • INTERNET_OPTION_SERVER_CERT_CONTEXT

lpBuffer

[in] Long pointer to a buffer that contains the option setting.

dwBufferLength

[in] Specifies the length of the lpBufferbuffer.

Return Value

TRUE indicates success. FALSE indicates failure. To get extended error information, call GetLastError.

Remarks

Requirements

Header wininet.h
Library wininet.lib
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also