added a few missing functions (Abort, FileExits, GetFileSize)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17843 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/ftp.tex

@@ -115,6 +115,13 @@ Default constructor.
 
 Destructor will close the connection if connected.
 
+\membersection{wxFTP::Abort}\label{wxftpabort}
+
+\func{bool}{Abort}{\void}
+
+Aborts the download currently in process, returns {\tt TRUE} if ok, {\tt FALSE} 
+if an error occured.
+
 \membersection{wxFTP::CheckCommand}
 
 \func{bool}{CheckCommand}{\param{const wxString\&}{ command}, \param{char }{ret}}
@@ -246,6 +253,21 @@ to specify a user and a password.
 
 % ----------------------------------------------------------------------------
 
+\membersection{wxFTP::FileExists}\label{wxftpfileexists}
+
+\func{bool}{FileExists}{\param{const wxString\&}{ filename}}
+
+Returns {\tt TRUE} if the given remote file exists, {\tt FALSE} otherwise.
+
+\membersection{wxFTP::GetFileSize}\label{wxftpgetfilesize}
+
+\func{int}{GetFileSize}{\param{const wxString\&}{ filename}}
+
+Returns the file size in bytes or $-1$ if the file doesn't exist or the size
+couldn't be determined. Notice that this size can be approximative size only
+and shouldn't be used for allocating the buffer in which the remote file is
+copied, for example.
+
 \membersection{wxFTP::GetDirList}\label{wxftpgetdirlist}
 
 \func{bool}{GetDirList}{\param{wxArrayString\& }{files}, \param{const wxString\&}{ wildcard = ""}}