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This function queries an Internet option on the specified handle.
BOOL WINAPI InternetQueryOption( HINTERNET hInternet , DWORD dwOption , LPVOID lpBuffer OPTIONAL, LPDWORD lpdwBufferLength );
Parameters
- hInternet
- Internet handle on which to query information.
- dwOption
- Specifies the Internet option to query. Can be one of the Option Flagsvalues.
- lpBuffer
- Long pointer to a buffer that receives the option setting.
- lpdwBufferLength
- Long pointer to a variable that contains the length of
lpBuffer. When the function returns, the variable receives
the length of the data placed into
lpBuffer. If
GetLastErrorreturns ERROR_INSUFFICIENT_BUFFER, this
parameter receives the number of bytes required to hold the created
URL.
Return Values
TRUE indicates success. FALSE indicates failure. To get extended error information, call GetLastError.
Windows CE Remarks
The following options may be queried through dwOption:
- INTERNET_QUERY_OPTION_CALLBACK
- 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_HANDLE_TYPE
- INTERNET_OPTION_PARENT_HANDLE
Requirements
Runs on Versions Defined in Include Link to Windows CE OS 2.0 and later Wininet.h Wininet.lib Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also
FtpGetFile, FtpPutFile, GetLastError, InternetConnect, InternetOpen, InternetSetOption