From d923cd76b33d3432877a80634414cf732922467f Mon Sep 17 00:00:00 2001
From: Biswapriyo Nath <nathbappai@gmail.com>
Date: Mon, 25 Apr 2022 10:49:44 +0530
Subject: [PATCH 2/2] include: Add Windows.Foundation.MemoryBuffer runtimeclass declaration.

Signed-off-by: Biswapriyo Nath <nathbappai@gmail.com>
---
 include/windows.foundation.idl | 53 +++++++++++++++++++++++++++++++++-
 1 file changed, 52 insertions(+), 1 deletion(-)

diff --git a/include/windows.foundation.idl b/include/windows.foundation.idl
index abd51ec..6308248 100644
--- a/include/windows.foundation.idl
+++ b/include/windows.foundation.idl
@@ -23,7 +23,7 @@
 import "inspectable.idl";
 import "asyncinfo.idl";
 import "windowscontracts.idl";
-/* import "eventtoken.idl"; */
+import "eventtoken.idl";
 /* import "ivectorchangedeventargs.idl"; */
 import "windows.foundation.collections.idl";
 
@@ -41,6 +41,10 @@ namespace Windows {
         typedef struct Rect Rect;
         typedef struct DateTime DateTime;
         typedef struct TimeSpan TimeSpan;
+        interface IMemoryBuffer;
+        interface IMemoryBufferFactory;
+        interface IMemoryBufferReference;
+        runtimeclass MemoryBuffer;
 
         declare {
             interface Windows.Foundation.Collections.IIterable<HSTRING>;
@@ -59,6 +63,7 @@ namespace Windows {
             interface Windows.Foundation.IAsyncOperation<boolean>;
             interface Windows.Foundation.IReference<INT32>;
             interface Windows.Foundation.TypedEventHandler<IInspectable *, IInspectable *>;
+            interface Windows.Foundation.TypedEventHandler<Windows.Foundation.IMemoryBufferReference *, IInspectable *>;
         }
 
         [
@@ -171,5 +176,51 @@ namespace Windows {
             [propget] HRESULT Completed([out, retval] Windows.Foundation.AsyncActionCompletedHandler **handler);
             HRESULT GetResults();
         }
+
+        [
+            contract(Windows.Foundation.UniversalApiContract, 1.0),
+            uuid(fbc4dd2a-245b-11e4-af98-689423260cf8)
+        ]
+        interface IMemoryBuffer : IInspectable
+            requires Windows.Foundation.IClosable
+        {
+            HRESULT CreateReference([out, retval] Windows.Foundation.IMemoryBufferReference **reference);
+        }
+
+        [
+            contract(Windows.Foundation.UniversalApiContract, 1.0),
+            exclusiveto(Windows.Foundation.MemoryBuffer),
+            uuid(fbc4dd2b-245b-11e4-af98-689423260cf8)
+        ]
+        interface IMemoryBufferFactory : IInspectable
+        {
+            HRESULT Create([in, range(0x00000000, 0x7fffffff)] UINT32 capacity,
+                           [out, retval] Windows.Foundation.MemoryBuffer **value);
+        }
+
+        [
+            contract(Windows.Foundation.UniversalApiContract, 1.0),
+            uuid(fbc4dd29-245b-11e4-af98-689423260cf8)
+        ]
+        interface IMemoryBufferReference : IInspectable
+            requires Windows.Foundation.IClosable
+        {
+            [propget] HRESULT Capacity([out, retval] UINT32 *value);
+            [eventadd] HRESULT Closed([in] Windows.Foundation.TypedEventHandler<Windows.Foundation.IMemoryBufferReference *, IInspectable *> *handler,
+                                      [out, retval] EventRegistrationToken *cookie);
+            [eventremove] HRESULT Closed([in] EventRegistrationToken cookie);
+        }
+
+        [
+            activatable(Windows.Foundation.IMemoryBufferFactory, Windows.Foundation.UniversalApiContract, 1.0),
+            contract(Windows.Foundation.UniversalApiContract, 1.0),
+            marshaling_behavior(agile),
+            threading(both)
+        ]
+        runtimeclass MemoryBuffer
+        {
+            [default] interface Windows.Foundation.IMemoryBuffer;
+            interface Windows.Foundation.IClosable;
+        }
     }
 }
-- 
2.35.3