Update cftpconnection-class.md (#4227)

In the description of OpenFile, 'CInternetConnection' should be replaced with 'CInternetFile'.

Author: helicity

docs/mfc/reference/cftpconnection-class.md

@@ -369,7 +369,7 @@ A pointer to a [CInternetFile](../../mfc/reference/cinternetfile-class.md) objec
 
 - An application needs a fine level of control over a file transfer. For example, the application may want to display a progress control indicate the progress of the file transfer status while downloading a file.
 
-After calling `OpenFile` and until calling `CInternetConnection::Close`, the application can only call [CInternetFile::Read](../../mfc/reference/cinternetfile-class.md#read), [CInternetFile::Write](../../mfc/reference/cinternetfile-class.md#write), `CInternetConnection::Close`, or [CFtpFileFind::FindFile](../../mfc/reference/cftpfilefind-class.md#findfile). Calls to other FTP functions for the same FTP session will fail and set the error code to FTP_ETRANSFER_IN_PROGRESS.
+After calling `OpenFile` and until calling `CInternetFile::Close`, the application can only call [CInternetFile::Read](../../mfc/reference/cinternetfile-class.md#read), [CInternetFile::Write](../../mfc/reference/cinternetfile-class.md#write), `CInternetConnection::Close`, or [CFtpFileFind::FindFile](../../mfc/reference/cftpfilefind-class.md#findfile). Calls to other FTP functions for the same FTP session will fail and set the error code to FTP_ETRANSFER_IN_PROGRESS.
 
 The *pstrFileName* parameter can be either a partially qualified filename relative to the current directory or fully qualified. A backslash (\\) or forward slash (/) can be used as the directory separator for either name. `OpenFile` translates the directory name separators to the appropriate characters before using it.