From 9275c25475f29b6cfad9042c923cff3c6bf5f3a4 Mon Sep 17 00:00:00 2001
From: 0x5BFA <62196528+0x5bfa@users.noreply.github.com>
Date: Sat, 21 Sep 2024 07:58:28 +0000
Subject: [PATCH 1/3] Init

---
 .../Windows.Win32.ComHeapPtr.cs               | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs

diff --git a/src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs b/src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs
new file mode 100644
index 000000000000..12c7b17ab2a3
--- /dev/null
+++ b/src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs
@@ -0,0 +1,49 @@
+// Copyright (c) 2024 Files Community
+// Licensed under the MIT License. See the LICENSE.
+
+using System;
+using System.Runtime.CompilerServices;
+using Windows.Win32;
+using Windows.Win32.System.Com;
+
+namespace Windows.Win32
+{
+	/// <summary>
+	/// Contains a COM heap-allocated pointer and a set of methods to work with the pointer safely.
+	/// </summary>
+	public unsafe struct ComHeapPtr<T> : IDisposable where T : unmanaged
+	{
+		private T* _ptr;
+
+		public bool IsNull
+			=> _ptr == default;
+
+		public ComHeapPtr(T* ptr)
+		{
+			_ptr = ptr;
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public readonly T* Get()
+		{
+			return _ptr;
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public readonly T** GetAddressOf()
+		{
+			return (T**)Unsafe.AsPointer(ref Unsafe.AsRef(in this));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public void Dispose()
+		{
+			T* ptr = _ptr;
+			if (ptr is not null)
+			{
+				_ptr = null;
+				PInvoke.CoTaskMemFree((void*)ptr);
+			}
+		}
+	}
+}

From 2d7e590ee7650a0f79a5951d3769e8e1a3c029d2 Mon Sep 17 00:00:00 2001
From: 0x5BFA <62196528+0x5bfa@users.noreply.github.com>
Date: Sat, 21 Sep 2024 08:13:24 +0000
Subject: [PATCH 2/3] Fixed a missing declaration

---
 src/Files.App.CsWin32/NativeMethods.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Files.App.CsWin32/NativeMethods.txt b/src/Files.App.CsWin32/NativeMethods.txt
index 9d7c337d7c4d..3760a851bb2c 100644
--- a/src/Files.App.CsWin32/NativeMethods.txt
+++ b/src/Files.App.CsWin32/NativeMethods.txt
@@ -133,3 +133,4 @@ IFileOperation
 IShellItem2
 PSGetPropertyKeyFromName
 ShellExecuteEx
+CoTaskMemFree

From 9cda552c3e6bd75c3c8d73af624255db5b08bb5d Mon Sep 17 00:00:00 2001
From: 0x5BFA <62196528+0x5bfa@users.noreply.github.com>
Date: Sat, 21 Sep 2024 19:51:09 +0900
Subject: [PATCH 3/3] Update Windows.Win32.ComHeapPtr.cs

---
 src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs b/src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs
index 12c7b17ab2a3..14f248ee7ff5 100644
--- a/src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs
+++ b/src/Files.App.CsWin32/Windows.Win32.ComHeapPtr.cs
@@ -9,7 +9,7 @@
 namespace Windows.Win32
 {
 	/// <summary>
-	/// Contains a COM heap-allocated pointer and a set of methods to work with the pointer safely.
+	/// Contains a heap pointer allocated via CoTaskMemAlloc and a set of methods to work with the pointer safely.
 	/// </summary>
 	public unsafe struct ComHeapPtr<T> : IDisposable where T : unmanaged
 	{