X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/764471557e06c8816b8cc8eb9924a1e3c78509d8..0685aa9eb65aae0c930ef2a001002ac217cf5ce1:/include/wx/mstream.h

diff --git a/include/wx/mstream.h b/include/wx/mstream.h
index e5eb691566..97d6f5e00b 100644
--- a/include/wx/mstream.h
+++ b/include/wx/mstream.h
@@ -18,7 +18,7 @@
 
 #include "wx/stream.h"
 
-class WXDLLIMPEXP_BASE wxMemoryOutputStream;
+class WXDLLIMPEXP_FWD_BASE wxMemoryOutputStream;
 
 class WXDLLIMPEXP_BASE wxMemoryInputStream : public wxInputStream
 {
@@ -39,7 +39,8 @@ public:
     virtual wxFileOffset GetLength() const { return m_length; }
     virtual bool IsSeekable() const { return true; }
 
-    char Peek();
+    virtual char Peek();
+    virtual bool CanRead() const;
 
     wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; }
 
@@ -62,6 +63,7 @@ private:
     size_t m_length;
 
     // copy ctor is implemented above: it copies the other stream in this one
+    DECLARE_ABSTRACT_CLASS(wxMemoryInputStream)
     DECLARE_NO_ASSIGN_CLASS(wxMemoryInputStream)
 };
 
@@ -91,6 +93,7 @@ protected:
     wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
     wxFileOffset OnSysTell() const;
 
+    DECLARE_DYNAMIC_CLASS(wxMemoryOutputStream)
     DECLARE_NO_COPY_CLASS(wxMemoryOutputStream)
 };