uiautomationcore: Add support for UIA_LegacyIAccessibleChildIdPropertyId.

dlls/uiautomationcore/uia_client.c

@@ -1571,6 +1571,16 @@ static HRESULT uia_provider_get_pattern_prop_val(struct uia_provider *prov,
         break;
     }
 
+    case UIA_LegacyIAccessibleChildIdPropertyId:
+    {
+        int val;
+
+        hr = ILegacyIAccessibleProvider_get_ChildId((ILegacyIAccessibleProvider *)pattern_prov, &val);
+        if (SUCCEEDED(hr))
+            variant_init_i4(ret_val, val);
+        break;
+    }
+
     default:
         break;
     }

dlls/uiautomationcore/uia_ids.c

@@ -152,7 +152,9 @@ static const struct uia_prop_info default_uia_properties[] = {
     { &RangeValue_SmallChange_Property_GUID,             UIA_RangeValueSmallChangePropertyId, },
     { &IsTextEditPatternAvailable_Property_GUID,         UIA_IsTextEditPatternAvailablePropertyId, },
     { &GridItem_Column_Property_GUID,                    UIA_GridItemColumnPropertyId, },
-    { &LegacyIAccessible_ChildId_Property_GUID,          UIA_LegacyIAccessibleChildIdPropertyId, },
+    { &LegacyIAccessible_ChildId_Property_GUID,          UIA_LegacyIAccessibleChildIdPropertyId,
+      PROP_TYPE_PATTERN_PROP,                            UIAutomationType_Int,
+      UIA_LegacyIAccessiblePatternId, },
     { &Annotation_DateTime_Property_GUID,                UIA_AnnotationDateTimePropertyId, },
     { &IsTablePatternAvailable_Property_GUID,            UIA_IsTablePatternAvailablePropertyId, },
     { &SelectionItem_IsSelected_Property_GUID,           UIA_SelectionItemIsSelectedPropertyId, },

dlls/uiautomationcore/uia_private.h

@@ -99,6 +99,12 @@ static inline void variant_init_bool(VARIANT *v, BOOL val)
     V_BOOL(v) = val ? VARIANT_TRUE : VARIANT_FALSE;
 }
 
+static inline void variant_init_i4(VARIANT *v, int val)
+{
+    V_VT(v) = VT_I4;
+    V_I4(v) = val;
+}
+
 static inline BOOL uia_array_reserve(void **elements, SIZE_T *capacity, SIZE_T count, SIZE_T size)
 {
     SIZE_T max_capacity, new_capacity;

dlls/uiautomationcore/uia_provider.c

@@ -28,12 +28,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(uiautomation);
 
 DEFINE_GUID(SID_AccFromDAWrapper, 0x33f139ee, 0xe509, 0x47f7, 0xbf,0x39, 0x83,0x76,0x44,0xf7,0x45,0x76);
 
-static void variant_init_i4(VARIANT *v, int val)
-{
-    V_VT(v) = VT_I4;
-    V_I4(v) = val;
-}
-
 static BOOL msaa_check_acc_state(IAccessible *acc, VARIANT cid, ULONG flag)
 {
     HRESULT hr;