[PATCH 5/9] include: Add Windows.Foundation.Collections.IObservableMap<K, V> definition.

[Rémi Bernon]

From: Rémi Bernon

---
 include/windows.foundation.collections.idl | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/windows.foundation.collections.idl b/include/windows.foundation.collections.idl
index 8156a833a96..36fb9bf4161 100644
--- a/include/windows.foundation.collections.idl
+++ b/include/windows.foundation.collections.idl
@@ -23,7 +23,7 @@
 import "inspectable.idl";
 import "asyncinfo.idl";
 import "windowscontracts.idl";
-/* import "eventtoken.idl"; */
+import "eventtoken.idl";
 import "ivectorchangedeventargs.idl";

namespace Windows {
@@ -165,6 +165,18 @@ cpp_quote("#endif")
                 HRESULT Clear();
             }

+            [
+                contract(Windows.Foundation.FoundationContract, 1.0),
+                uuid(65df2bf5-bf39-41b5-aebc-5a9d865e472b)
+            ]
+            interface IObservableMap<K, V> : IInspectable
+                requires Windows.Foundation.Collections.IMap<K, V>
+            {
+                [eventadd] HRESULT MapChanged([in] Windows.Foundation.Collections.MapChangedEventHandler<K, V> *handler,
+                                              [out, retval] EventRegistrationToken *token);
+                [eventremove] HRESULT MapChanged([in] EventRegistrationToken token);
+            }
+
             [
                 contract(Windows.Foundation.FoundationContract, 1.0),
                 uuid(bbe1fa4c-b0e3-4583-baef-1f1b2e483e56)