uiautomationcore: Add UiaAddEvent stub.

dlls/uiautomationcore/uia_client.c

@@ -3015,6 +3015,17 @@ exit:
 }
 
 /***********************************************************************
+ *          UiaAddEvent (uiautomationcore.@)
+ */
+HRESULT WINAPI UiaAddEvent(HUIANODE huianode, EVENTID event_id, UiaEventCallback *callback, enum TreeScope scope,
+        PROPERTYID *prop_ids, int prop_ids_count, struct UiaCacheRequest *cache_req, HUIAEVENT *huiaevent)
+{
+    FIXME("(%p, %d, %p, %#x, %p, %d, %p, %p)\n", huianode, event_id, callback, scope, prop_ids, prop_ids_count,
+            cache_req, huiaevent);
+    return E_NOTIMPL;
+}
+
+/***********************************************************************
  *          UiaRemoveEvent (uiautomationcore.@)
  */
 HRESULT WINAPI UiaRemoveEvent(HUIAEVENT huiaevent)

dlls/uiautomationcore/uiautomationcore.spec

@@ -53,7 +53,7 @@
 @ stub TransformPattern_Move
 @ stub TransformPattern_Resize
 @ stub TransformPattern_Rotate
-@ stub UiaAddEvent
+@ stdcall UiaAddEvent(ptr long ptr long ptr long ptr ptr)
 @ stdcall UiaClientsAreListening()
 #@ stub UiaDisconnectAllProviders
 @ stdcall UiaDisconnectProvider(ptr)

include/uiautomationcoreapi.h

@@ -393,6 +393,7 @@ struct UiaFindParams {
 };
 
 typedef SAFEARRAY * WINAPI UiaProviderCallback(HWND hwnd,enum ProviderType providerType);
+typedef void WINAPI UiaEventCallback(struct UiaEventArgs *pArgs,SAFEARRAY *pRequestedData,BSTR pTreeStructure);
 
 HRESULT WINAPI UiaGetReservedMixedAttributeValue(IUnknown **value);
 HRESULT WINAPI UiaGetReservedNotSupportedValue(IUnknown **value);
@@ -418,6 +419,8 @@ HRESULT WINAPI UiaNavigate(HUIANODE huianode, enum NavigateDirection dir, struct
         struct UiaCacheRequest *cache_req, SAFEARRAY **out_req, BSTR *tree_struct);
 HRESULT WINAPI UiaFind(HUIANODE huianode, struct UiaFindParams *find_params, struct UiaCacheRequest *cache_req, SAFEARRAY **out_req,
         SAFEARRAY **out_offsets, SAFEARRAY **out_tree_structs);
+HRESULT WINAPI UiaAddEvent(HUIANODE huianode, EVENTID event_id, UiaEventCallback *callback, enum TreeScope scope,
+        PROPERTYID *prop_ids, int prop_ids_count, struct UiaCacheRequest *cache_req, HUIAEVENT *huiaevent);
 HRESULT WINAPI UiaRemoveEvent(HUIAEVENT huiaevent);
 HRESULT WINAPI UiaEventAddWindow(HUIAEVENT huiaevent, HWND hwnd);
 HRESULT WINAPI UiaEventRemoveWindow(HUIAEVENT huiaevent, HWND hwnd);