test for wxLog interaction with wxYield better

[wxWidgets.git] / include / wx / dataobj.h

diff --git a/include/wx/dataobj.h b/include/wx/dataobj.h
index 5d80b6f16e83da95bd84b8016dcff699789b2df4..e7042d2b07310580b918a6c197dfa27e74823991 100644 (file)
--- a/include/wx/dataobj.h
+++ b/include/wx/dataobj.h
@@ -87,7 +87,7 @@ public:
 
 // the value for default argument to some functions (corresponds to
 // wxDF_INVALID)
-extern const wxDataFormat& wxFormatInvalid;
+extern WXDLLEXPORT const wxDataFormat& wxFormatInvalid;
 
 // ----------------------------------------------------------------------------
 // wxDataObject represents a piece of data which knows which formats it
@@ -146,6 +146,9 @@ public:
     {
         return FALSE;
     }
+
+    // returns TRUE if this format is supported
+    bool IsSupported(const wxDataFormat& format, Direction dir = Get) const;
 };
 
 // ----------------------------------------------------------------------------
@@ -247,7 +250,7 @@ private:
 // wxDataObject directly.
 // ----------------------------------------------------------------------------
 
-WX_DECLARE_LIST(wxDataObjectSimple, wxSimpleDataObjectList);
+WX_DECLARE_EXPORTED_LIST(wxDataObjectSimple, wxSimpleDataObjectList);
 
 class WXDLLEXPORT wxDataObjectComposite : public wxDataObject
 {