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FtpCommand function

The FtpCommand function sends commands directly to an FTP server.

Syntax


BOOL FtpCommand(
  _In_   HINTERNET hConnect,
  _In_   BOOL fExpectResponse,
  _In_   DWORD dwFlags,
  _In_   LPCTSTR lpszCommand,
  _In_   DWORD_PTR dwContext,
  _Out_  HINTERNET *phFtpCommand
);

Parameters

hConnect [in]

A handle returned from a call to InternetConnect.

fExpectResponse [in]

A Boolean value that indicates whether the application expects a data connection to be established by the FTP server. This must be set to TRUE if a data connection is expected, or FALSE otherwise.

dwFlags [in]

A parameter that can be set to one of the following values.

ValueMeaning
FTP_TRANSFER_TYPE_ASCII

Transfers the file using the FTP ASCII (Type A) transfer method. Control and formatting data is converted to local equivalents.

FTP_TRANSFER_TYPE_BINARY

Transfers the file using the FTP Image (Type I) transfer method. The file is transferred exactly with no changes. This is the default transfer method.

 

lpszCommand [in]

A pointer to a string that contains the command to send to the FTP server.

dwContext [in]

A pointer to a variable that contains an application-defined value used to identify the application context in callback operations.

phFtpCommand [out]

A pointer to a handle that is created if a valid data socket is opened. The fExpectResponse parameter must be set to TRUE for phFtpCommand to be filled.

Return value

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

Remarks

GetLastError can return ERROR_INTERNET_NO_DIRECT_ACCESS if the client application is offline. If one or more of the parameters are invalid, GetLastError will return ERROR_INVALID_PARAMETER.

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

FtpCommandW (Unicode) and FtpCommandA (ANSI)

See also

FTP Sessions
WinINet Functions

 

 

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