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.

Requirements

See Also

Common Functions

WinINet Functions

FtpGetFile

FtpPutFile

InternetConnect

InternetOpen

InternetQueryOption

Send comments about this topic to Microsoft

Build date: 11/19/2009