X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/588066b7a39629e44bb39f1ab436b80f38c13f33..05c3f0fc73d9124061c08e3d707b4e3d6bab4ff4:/include/wx/mstream.h

diff --git a/include/wx/mstream.h b/include/wx/mstream.h
index 525c6d9ccc..a679e6bb8f 100644
--- a/include/wx/mstream.h
+++ b/include/wx/mstream.h
@@ -12,10 +12,12 @@
 #ifndef _WX_WXMMSTREAM_H__
 #define _WX_WXMMSTREAM_H__
 
-#include "wx/stream.h"
+#include "wx/defs.h"
 
 #if wxUSE_STREAMS
 
+#include "wx/stream.h"
+
 class WXDLLIMPEXP_BASE wxMemoryInputStream : public wxInputStream
 {
 public:
@@ -23,6 +25,7 @@ public:
     virtual ~wxMemoryInputStream();
     virtual wxFileOffset GetLength() const { return m_length; }
     virtual bool Eof() const;
+    virtual bool IsSeekable() const { return true; }
 
     char Peek();
 
@@ -51,6 +54,7 @@ public:
     wxMemoryOutputStream(void *data = NULL, size_t length = 0);
     virtual ~wxMemoryOutputStream();
     virtual wxFileOffset GetLength() const { return m_o_streambuf->GetLastAccess(); }
+    virtual bool IsSeekable() const { return true; }
 
     size_t CopyTo(void *buffer, size_t len) const;