Update GetItemsAsync

Author: 0x5bfa

src/Files.App.Storage/Storables/WindowsStorage/WindowsFolder.cs

@@ -32,8 +32,19 @@ public unsafe WindowsFolder(Guid folderId)
 				(void**)ThisPtr.GetAddressOf());
 		}
 
-		public IAsyncEnumerable<IStorableChild> GetItemsAsync(StorableType type = StorableType.All, CancellationToken cancellationToken = default)
+		public unsafe IAsyncEnumerable<IStorableChild> GetItemsAsync(StorableType type = StorableType.All, CancellationToken cancellationToken = default)
 		{
+			using ComPtr<IEnumShellItems> pEnumShellItems = default;
+			Guid IID_IEnumShellItems = typeof(IEnumShellItems).GUID;
+			var BHID_EnumItems = PInvoke.BHID_EnumItems;
+			HRESULT hr = ThisPtr.Get()->BindToHandler(null, &BHID_EnumItems, &IID_IEnumShellItems, (void**)pEnumShellItems.GetAddressOf());
+
+			using ComPtr<IShellItem> pShellItem = default;
+			while (pEnumShellItems.Get()->Next(1, pShellItem.GetAddressOf()).Succeeded)
+			{
+				// instantiate and return here.
+			}
+
 			throw new NotImplementedException();
 		}