// implements a wxVariantData-derived class using for the Eq() method the
// operator== which must have been provided by "classname"
#define IMPLEMENT_VARIANT_OBJECT_EXPORTED(classname,expdecl) \
-IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,expdecl) \
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,wxEMPTY_PARAMETER_VALUE expdecl) \
\
bool classname##VariantData::Eq(wxVariantData& data) const \
{\
#define IMPLEMENT_VARIANT_OBJECT_SHALLOWCMP(classname) \
IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(classname, wxEMPTY_PARAMETER_VALUE)
#define IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(classname,expdecl) \
-IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,expdecl) \
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_NO_EQ(classname,wxEMPTY_PARAMETER_VALUE expdecl) \
\
bool classname##VariantData::Eq(wxVariantData& data) const \
{\