X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2d76b6d8c3d13ce08f0aef47f859078368f7fed7..6968a3b87cee46f5c5af9b46e1ef97f17133cef7:/include/wx/mstream.h

diff --git a/include/wx/mstream.h b/include/wx/mstream.h
index 9ed77087f9..8e12d63274 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
 {
@@ -31,6 +31,7 @@ public:
         InitFromStream(stream, lenFile);
     }
     wxMemoryInputStream(wxMemoryInputStream& stream)
+        : wxInputStream()
     {
         InitFromStream(stream, wxInvalidOffset);
     }
@@ -63,7 +64,8 @@ private:
     size_t m_length;
 
     // copy ctor is implemented above: it copies the other stream in this one
-    DECLARE_NO_ASSIGN_CLASS(wxMemoryInputStream)
+    DECLARE_ABSTRACT_CLASS(wxMemoryInputStream)
+    wxDECLARE_NO_ASSIGN_CLASS(wxMemoryInputStream);
 };
 
 class WXDLLIMPEXP_BASE wxMemoryOutputStream : public wxOutputStream
@@ -92,7 +94,8 @@ protected:
     wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
     wxFileOffset OnSysTell() const;
 
-    DECLARE_NO_COPY_CLASS(wxMemoryOutputStream)
+    DECLARE_DYNAMIC_CLASS(wxMemoryOutputStream)
+    wxDECLARE_NO_COPY_CLASS(wxMemoryOutputStream);
 };
 
 #if WXWIN_COMPATIBILITY_2_6