Update

Author: 0x5bfa

src/Files.App.CsWin32/NativeMethods.txt

@@ -142,3 +142,4 @@ IInitializeWithStream
 IInitializeWithStreamNative
 IInitializeWithFile
 IInitializeWithItem
+SHCreateStreamOnFileEx

src/Files.App.CsWin32/Windows.Win32.ComPtr.cs

@@ -0,0 +1,46 @@
+// 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
+{
+	public unsafe struct ComPtr<T> : IDisposable where T : unmanaged
+	{
+		private T* ptr;
+
+		public T* Value
+			=> this.ptr;
+
+		public T** Address
+			=> (T**)Unsafe.AsPointer(ref Unsafe.AsRef(in this));
+
+		public bool IsNull
+			=> ptr == default;
+
+		public ComPtr(T* other)
+		{
+			this.ptr = other;
+
+			if (other is not null)
+			{
+				_ = ((IUnknown*)other)->AddRef();
+			}
+		}
+
+		public void Dispose()
+		{
+			T* pointer = this.ptr;
+
+			if (pointer is not null)
+			{
+				this.ptr = null;
+
+				_ = ((IUnknown*)pointer)->Release();
+			}
+		}
+	}
+}