Added interface for getting/setting text converter of wxDataInputStream and wxDataOutputStream

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58028 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/datstrm.h

@@ -78,6 +78,11 @@ public:
     wxDataInputStream& operator>>(float& f);
 
     void BigEndianOrdered(bool be_order) { m_be_order = be_order; }
+    
+#if wxUSE_UNICODE
+    void SetConv( const wxMBConv &conv );
+    wxMBConv *GetConv() const { return m_conv; }
+#endif
 
 protected:
     wxInputStream *m_input;
@@ -152,6 +157,11 @@ public:
 
     void BigEndianOrdered(bool be_order) { m_be_order = be_order; }
 
+#if wxUSE_UNICODE
+    void SetConv( const wxMBConv &conv );
+    wxMBConv *GetConv() const { return m_conv; }
+#endif
+
 protected:
     wxOutputStream *m_output;
     bool m_be_order;