% -----------------------------------------------------------------------------
\section{\class{wxInputStream}}\label{wxinputstream}
+wxInputStream is an abstract base class which may not be used directly.
+
\wxheading{Derived from}
\helpref{wxStreamBase}{wxstreambase}
<wx/stream.h>
-\wxheading{See also}
-
-\helpref{wxStreamBuffer}{wxstreambuffer}
+\latexignore{\rtfignore{\wxheading{Members}}}
% -----------
% ctor & dtor
Creates a dummy input stream.
-\func{}{wxInputStream}{\param{wxStreamBuffer *}{sbuf}}
-
-Creates an input stream using the specified stream buffer \it{sbuf}. This
-stream buffer can point to another stream.
-
\membersection{wxInputStream::\destruct{wxInputStream}}
\func{}{\destruct{wxInputStream}}{\void}
Returns the first character in the input queue and removes it.
-\membersection{wxInputStream::InputStreamBuffer}
+\membersection{wxInputStream::Eof}\label{wxinputstreameof}
-\func{wxStreamBuffer*}{InputStreamBuffer}{\void}
+\constfunc{wxInputStream}{Eof}{\void}
-Returns the stream buffer associated with the input stream.
+Returns true if the end of stream has been reached.
-\membersection{wxInputStream::LastRead}
+\membersection{wxInputStream::LastRead}\label{wxinputstreamlastread}
\constfunc{size\_t}{LastRead}{\void}
\func{wxInputStream\&}{Read}{\param{void *}{buffer}, \param{size\_t}{ size}}
-Reads the specified amount of bytes and stores the data in \it{buffer}.
+Reads the specified amount of bytes and stores the data in {\it buffer}.
\wxheading{Warning}
Returns the current stream position.
+\membersection{wxInputStream::Ungetch}\label{wxinputstreamungetch}
+
+\func{size\_t}{Ungetch}{\param{const char*}{ buffer}, \param{size\_t}{ size}}
+
+This function is only useful in {\it read} mode. It is the manager of the "Write-Back"
+buffer. This buffer acts like a temporary buffer where data which has to be
+read during the next read IO call are put. This is useful when you get a big
+block of data which you didn't want to read: you can replace them at the top
+of the input queue by this way.
+
+Be very careful about this call in connection with calling SeekI() on the same
+stream. Any call to SeekI() will invalidate any previous call to this method
+(otherwise you could SeekI() to one position, "unread" a few bytes there, SeekI()
+to another position and data would be either lost or corrupted).
+
+\wxheading{Return value}
+
+Returns the amount of bytes saved in the Write-Back buffer.
+
+\func{bool}{Ungetch}{\param{char }{c}}
+
+This function acts like the previous one except that it takes only one
+character: it is sometimes shorter to use than the generic function.
+