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InternetSetOption function

Sets an Internet option.

Syntax


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

Parameters

hInternet [in]

Handle on which to set information.

dwOption [in]

Internet option to be set. This can be one of the Option Flags values.

lpBuffer [in]

Pointer to a buffer that contains the option setting.

dwBufferLength [in]

Size of the lpBuffer buffer. If lpBuffer contains a string, the size is in TCHARs. If lpBuffer contains anything other than a string, the size is in bytes.

Return value

Returns TRUE if successful, or FALSE otherwise. To get a specific error message, call GetLastError.

Remarks

GetLastError will return the error ERROR_INVALID_PARAMETER if an option flag that cannot be set is specified.

For more information, see Setting and Retrieving Internet Options.

Like all other aspects of the WinINet API, this function cannot be safely called from within DllMain or the constructors and destructors of global objects.

Note  WinINet does not support server implementations. In addition, it should not be used from a service. For server implementations or services use Microsoft Windows HTTP Services (WinHTTP).

Requirements

Minimum supported client

Windows 2000 Professional

Minimum supported server

Windows 2000 Server

Header

Wininet.h

Library

Wininet.lib

DLL

Wininet.dll

Unicode and ANSI names

InternetSetOptionW (Unicode) and InternetSetOptionA (ANSI)

See also

Common Functions
WinINet Functions
FtpGetFile
FtpPutFile
InternetConnect
InternetOpen
InternetQueryOption

 

 

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