include: Add XMLDOMDocumentEvents dispinterface to xmldom.idl.

include/xmldom.idl

@@ -720,6 +720,20 @@ interface IXMLDOMParseError : IDispatch
     HRESULT filepos([retval, out] long * filePos);
 }
 
+[
+    hidden,
+    uuid(3efaa427-272f-11d2-836f-0000f87a7782)
+]
+dispinterface XMLDOMDocumentEvents
+{
+    properties:
+    methods:
+    [id(DISPID_XMLDOMEVENT_ONDATAAVAILABLE)]
+    HRESULT ondataavailable();
+
+    [id(DISPID_XMLDOMEVENT_ONREADYSTATECHANGE)]
+    HRESULT onreadystatechange();
+}
 
 [
 uuid(2933bf90-7b36-11d2-b20e-00c04f983e60)

include/xmldomdid.h

@@ -197,5 +197,9 @@
 #define  DISPID_DOM_ERROR_FILEPOS      0x000000b7
 #define  DISPID_DOM_ERROR__TOP         0x000000b8
 
+#define  DISPID_XMLDOMEVENT                    197
+#define  DISPID_XMLDOMEVENT_ONREADYSTATECHANGE DISPID_READYSTATECHANGE
+#define  DISPID_XMLDOMEVENT_ONDATAAVAILABLE    198
+#define  DISPID_XMLDOMEVENT__TOP               199
 
 #endif /* __XMLDOMDID_H__ */