Fix: Fixed issues with drag & drop to other applications (#16628)

src/Files.App/Views/Layouts/BaseLayoutPage.cs

@@ -22,6 +22,7 @@
 using Windows.Foundation.Collections;
 using Windows.Storage;
 using Windows.System;
+using WinRT;
 using static Files.App.Helpers.PathNormalization;
 using DispatcherQueueTimer = Microsoft.UI.Dispatching.DispatcherQueueTimer;
 using SortDirection = Files.App.Data.Enums.SortDirection;
@@ -999,13 +1000,8 @@ protected virtual void FileList_DragItemsStarting(object sender, DragItemsStarti
 				{
 					var iddo = shellItemList[0].Parent.GetChildrenUIObjects<IDataObject>(HWND.NULL, shellItemList);
 					shellItemList.ForEach(x => x.Dispose());
-
-					var format = System.Windows.Forms.DataFormats.GetFormat("Shell IDList Array");
-					if (iddo.TryGetData<byte[]>((uint)format.Id, out var data))
-					{
-						var mem = new MemoryStream(data).AsRandomAccessStream();
-						e.Data.SetData(format.Name, mem);
-					}
+					var dataObjectProvider = e.Data.As<Shell32.IDataObjectProvider>();
+					dataObjectProvider.SetDataObject(iddo);
 				}
 				else
 				{