diff --git a/include/wx/xti.h b/include/wx/xti.h
index 03274ef4f3..75b4c82151 100644
--- a/include/wx/xti.h
+++ b/include/wx/xti.h
@@ -840,6 +840,10 @@ private :
 	static wxPropertyAccessorT<class_t , type> _accessor##name( &setter , &getter , #setter , #getter ) ; \
 	static wxPropertyInfo _propertyInfo##name( first , #name , wxGetTypeInfo( (type*) NULL ) ,&_accessor##name , wxxVariant(defaultValue) ) ;
 
+#define WX_PROPERTY_COLLECTION( name , colltype , addelemtype , adder , getter ) \
+	static wxPropertyCollectionAccessorT<class_t , colltype , addelemtype > _accessor##name( &adder , &getter , #adder , #getter ) ; \
+	static wxPropertyInfo _propertyInfo##name( first , #name , wxGetTypeInfo( (colltype*) NULL ) ,wxGetTypeInfo( (addelemtype*) NULL ) ,&_accessor##name ) ;
+
 #define WX_PROPERTY_SET_RET_BOOL( name , type , setter , getter ,defaultValue ) \
 	static wxPropertyAccessorT<class_t , type> _accessor##name( (wxPropertyAccessor::SetRetBool*)NULL , &setter , &getter , #setter , #getter ) ; \
 	static wxPropertyInfo _propertyInfo##name( first , #name , wxGetTypeInfo( (type*) NULL ) ,&_accessor##name , wxxVariant(defaultValue) ) ;