Added ExecuteRemoveItemCommand

Author: 0x5bfa

JumpListManager.WinUI/ViewModels/MainPageViewModel.cs

@@ -29,6 +29,27 @@ public class MainPageViewModel : ObservableObject
 
 		public int SelectedIndexOfJumpListItems { get; set; } = 0;
 
+		public JumpListItem? SelectedJumpListItem
+		{
+			get
+			{
+				if (SelectedIndexOfJumpListItems is -1)
+					return null;
+				var flattenItems = GroupedJumpListItems.SelectMany(group => group).ToList();
+				return flattenItems.ElementAt(SelectedIndexOfJumpListItems);
+			}
+		}
+
+		public string? SelectedApplicationUserModelID
+		{
+			get
+			{
+				if (SelectedIndexOfApplicationItems is -1)
+					return null;
+				return ApplicationItems.ElementAt(SelectedIndexOfApplicationItems).AppUserModelID;
+			}
+		}
+
 		public ICommand OpenAboutDialogCommand { get; }
 
 		public MainPageViewModel()
@@ -141,7 +162,7 @@ public unsafe void EnumerateContextMenuItems()
 				else
 				{
 					CommandItems.Add(new CommandButtonItem("\uE718", "Pin to the list", new RelayCommand(ExecutePinItemCommand)));
-					CommandItems.Add(new CommandButtonItem("\uE74D", "Remove from the list", null));
+					CommandItems.Add(new CommandButtonItem("\uE74D", "Remove from the list", new RelayCommand(ExecuteRemoveItemCommand)));
 				}
 
 				CommandItems.Add(new CommandSeparatorItem());
@@ -178,6 +199,16 @@ private void ExecuteUnpinItemCommand()
 			EnumerateJumpListItems();
 		}
 
+		private void ExecuteRemoveItemCommand()
+		{
+			using JumpList manager = JumpList.Create(SelectedApplicationUserModelID!)
+				?? throw new InvalidOperationException($"Failed to initialize {nameof(JumpListManager)}.");
+
+			manager.RemoveItem(SelectedJumpListItem!);
+
+			EnumerateJumpListItems();
+		}
+
 		private async Task ExecuteOpenAboutDialogCommand()
 		{
 			var dialog = new Views.SettingsDialog

JumpListManager/IAutomaticDestinationList.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Runtime.CompilerServices;
 using Windows.Win32.Foundation;
+using Windows.Win32.UI.Shell;
 
 namespace Windows.Win32.System.Com
 {
@@ -85,6 +86,33 @@ public HRESULT GetPinIndex(IUnknown* pObj, int* pIndex)
 			=> (HRESULT)((delegate* unmanaged[MemberFunction]<IAutomaticDestinationList*, IUnknown*, int*, int>)lpVtbl[8])
 				((IAutomaticDestinationList*)Unsafe.AsPointer(ref this), pObj, pIndex);
 
+		/// <summary>
+		/// Removes a destination from the automatic destinations list.
+		/// </summary>
+		/// <param name="psi">The destination to remove from the automatic destinations list.</param>
+		/// <returns>Returns <see cref="HRESULT.S_OK"/> if successful, or an error value otherwise.
+		public HRESULT RemoveDestination(IUnknown* psi)
+			=> (HRESULT)((delegate* unmanaged[MemberFunction]<IAutomaticDestinationList*, IUnknown*, int>)lpVtbl[9])
+				((IAutomaticDestinationList*)Unsafe.AsPointer(ref this), psi);
+
+		public HRESULT SetUsageData(IUnknown* pItem, float* a2, long* pFileTime)
+			=> (HRESULT)((delegate* unmanaged[MemberFunction]<IAutomaticDestinationList*, IUnknown*,float*, long*, int>)lpVtbl[10])
+				((IAutomaticDestinationList*)Unsafe.AsPointer(ref this), pItem, a2, pFileTime);
+
+		public HRESULT GetUsageData(IUnknown* pItem, float* a2, long* pFileTime)
+			=> (HRESULT)((delegate* unmanaged[MemberFunction]<IAutomaticDestinationList*, IUnknown*, float*, long*, int>)lpVtbl[11])
+				((IAutomaticDestinationList*)Unsafe.AsPointer(ref this), pItem, a2, pFileTime);
+
+		public HRESULT ResolveDestination(HWND hWnd, int a2, IShellItem* pShellItem, Guid* riid, void** ppvObject)
+			=> (HRESULT)((delegate* unmanaged[MemberFunction]<IAutomaticDestinationList*, HWND, int, IShellItem*, Guid*, void**, int>)lpVtbl[12])
+				((IAutomaticDestinationList*)Unsafe.AsPointer(ref this), hWnd, a2, pShellItem, riid, ppvObject);
+
+		public HRESULT ClearList(int iListType)
+			=> (HRESULT)((delegate* unmanaged[MemberFunction]<IAutomaticDestinationList*, int, int>)lpVtbl[13])
+				((IAutomaticDestinationList*)Unsafe.AsPointer(ref this), iListType);
+
+
+
 		[GuidRVAGen.Guid("E9C5EF8D-FD41-4F72-BA87-EB03BAD5817C")]
 		public static partial ref readonly Guid Guid { get; }
 	}

JumpListManager/JumpList.cs

@@ -250,7 +250,7 @@ public int GetCustomDestinationsCount()
 
 		public bool PinItem(JumpListItem item)
 		{
-			if (item is null || item.IsPinned || item.Type is not JumpListItemType.Automatic or JumpListItemType.Custom)
+			if (item is null || item.IsPinned || item.Type is JumpListItemType.Task)
 				return false;
 
 			HRESULT hr = default;
@@ -264,7 +264,7 @@ public bool PinItem(JumpListItem item)
 
 		public bool UnpinItem(JumpListItem item)
 		{
-			if (item is null || !item.IsPinned || item.Type is not JumpListItemType.Automatic or JumpListItemType.Custom)
+			if (item is null || !item.IsPinned || item.Type is JumpListItemType.Task)
 				return false;
 
 			HRESULT hr = default;
@@ -276,6 +276,27 @@ public bool UnpinItem(JumpListItem item)
 			return true;
 		}
 
+		public bool RemoveItem(JumpListItem item)
+		{
+			if (item is null || item.Type is JumpListItemType.Task)
+				return false;
+
+			HRESULT hr = default;
+
+			if (item.Type is JumpListItemType.Automatic)
+			{
+				hr = _autoDestListPtr->RemoveDestination((IUnknown*)item.NativeObjectPtr);
+				if (FAILED(hr)) return false;
+			}
+			else if (item.Type is JumpListItemType.Custom)
+			{
+				hr = _customDestList2Ptr->RemoveDestination((IUnknown*)item.NativeObjectPtr);
+				if (FAILED(hr)) return false;
+			}
+
+			return true;
+		}
+
 		private IEnumerable<JumpListItem> CreateCollectionFromIObjectCollection(JumpListItemType type, IObjectCollection* pObjectCollection)
 		{
 			HRESULT hr = default;