Implemented GetShellNewItems & InvokeShellNewItem

Author: 0x5bfa

src/Files.App.CsWin32/ManualGuid.cs

@@ -47,6 +47,24 @@ public static Guid* IID_IStorageProviderStatusUISourceFactory
 
 		[GuidRVAGen.Guid("000214F9-0000-0000-C000-000000000046")]
 		public static partial Guid* IID_IShellLinkW { get; }
+
+		[GuidRVAGen.Guid("B63EA76D-1F85-456F-A19C-48159EFA858B")]
+		public static partial Guid* IID_IShellItemArray { get; }
+
+		[GuidRVAGen.Guid("7F9185B0-CB92-43C5-80A9-92277A4F7B54")]
+		public static partial Guid* IID_IExecuteCommand { get; }
+
+		[GuidRVAGen.Guid("1C9CD5BB-98E9-4491-A60F-31AACC72B83C")]
+		public static partial Guid* IID_IObjectWithSelection { get; }
+
+		[GuidRVAGen.Guid("BCC18B79-BA16-442F-80C4-8A59C30C463B")]
+		public static partial Guid* IID_IShellItemImageFactory { get; }
+
+		[GuidRVAGen.Guid("000214E8-0000-0000-C000-000000000046")]
+		public static partial Guid* IID_IShellExtInit { get; }
+
+		[GuidRVAGen.Guid("000214F4-0000-0000-C000-000000000046")]
+		public static partial Guid* IID_IContextMenu2 { get; }
 	}
 
 	public static unsafe partial class CLSID
@@ -65,6 +83,15 @@ public static unsafe partial class CLSID
 
 		[GuidRVAGen.Guid("45BA127D-10A8-46EA-8AB7-56EA9078943C")]
 		public static partial Guid* CLSID_ApplicationActivationManager { get; }
+
+		[GuidRVAGen.Guid("B455F46E-E4AF-4035-B0A4-CF18D2F6F28E")]
+		public static partial Guid* CLSID_PinToFrequentExecute { get; }
+
+		[GuidRVAGen.Guid("EE20EEBA-DF64-4A4E-B7BB-2D1C6B2DFCC1")]
+		public static partial Guid* CLSID_UnPinFromFrequentExecute { get; }
+
+		[GuidRVAGen.Guid("D969A300-E7FF-11d0-A93B-00A0C90F2719")]
+		public static partial Guid* CLSID_NewMenu { get; }
 	}
 
 	public static unsafe partial class BHID

src/Files.App.CsWin32/NativeMethods.txt

@@ -226,3 +226,11 @@ GetKeyboardState
 MapVirtualKey
 GetKeyboardLayout
 S_FALSE
+IExecuteCommand
+IObjectWithSelection
+SHCreateShellItemArrayFromShellItem
+IShellExtInit
+IContextMenu2
+GetSubMenu
+GetMenuItemCount
+GetMenuItemInfo

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

@@ -0,0 +1,19 @@
+// Copyright (c) Files Community
+// Licensed under the MIT License.
+
+namespace Files.App.Storage
+{
+	/// <summary>
+	/// Represents a Windows Shell ContextMenu item.
+	/// </summary>
+	public partial class ContextMenuItem
+	{
+		public ContextMenuType Type { get; set; }
+
+		public uint Id { get; set; }
+
+		public byte[]? Icon { get; set; }
+
+		public string? Name { get; set; }
+	}
+}

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

@@ -0,0 +1,18 @@
+// Copyright (c) Files Community
+// Licensed under the MIT License.
+
+namespace Files.App.Storage
+{
+	public enum ContextMenuType
+	{
+		Normal = 0x00000000,
+
+		Disabled = 0x00000003,
+
+		Checked = 0x00000008,
+
+		Highlighted = 0x00000080,
+
+		Default = 0x00001000,
+	}
+}

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

@@ -1,9 +1,15 @@
 // Copyright (c) Files Community
 // Licensed under the MIT License.
 
+using Windows.Win32.UI.Shell;
+
 namespace Files.App.Storage
 {
-	public interface IWindowsFolder : IWindowsStorable, IChildFolder
+	public unsafe interface IWindowsFolder : IWindowsStorable, IChildFolder
 	{
+		/// <summary>
+		/// Gets or sets the cached <see cref="IContextMenu"/> for the ShellNew context menu.
+		/// </summary>
+		public IContextMenu* ShellNewMenu { get; set; }
 	}
 }

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

@@ -8,5 +8,7 @@ namespace Files.App.Storage
 	public unsafe interface IWindowsStorable : IStorableChild, IEquatable<IWindowsStorable>, IDisposable
 	{
 		IShellItem* ThisPtr { get; }
+
+		IContextMenu* ContextMenu { get; }
 	}
 }

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

@@ -1,6 +1,7 @@
 // Copyright (c) Files Community
 // Licensed under the MIT License.
 
+using System.Runtime.CompilerServices;
 using Windows.Win32;
 using Windows.Win32.Foundation;
 using Windows.Win32.System.SystemServices;
@@ -11,6 +12,16 @@ namespace Files.App.Storage
 	[DebuggerDisplay("{" + nameof(ToString) + "()}")]
 	public unsafe class WindowsFolder : WindowsStorable, IWindowsFolder
 	{
+		/// <inheritdoc/>
+		public IContextMenu* ShellNewMenu
+		{
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
+			get;
+
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
+			protected internal set;
+		}
+
 		public WindowsFolder(IShellItem* ptr)
 		{
 			ThisPtr = ptr;
@@ -63,5 +74,12 @@ public IAsyncEnumerable<IStorableChild> GetItemsAsync(StorableType type = Storab
 
 			return childItems.ToAsyncEnumerable();
 		}
+
+		public override void Dispose()
+		{
+			base.Dispose();
+
+			if (ShellNewMenu is not null) ShellNewMenu->Release();
+		}
 	}
 }

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

@@ -17,7 +17,16 @@ public IShellItem* ThisPtr
 			get;
 
 			[MethodImpl(MethodImplOptions.AggressiveInlining)]
-			protected set;
+			protected internal set;
+		}
+
+		public IContextMenu* ContextMenu
+		{
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
+			get;
+
+			[MethodImpl(MethodImplOptions.AggressiveInlining)]
+			protected internal set;
 		}
 
 		public string Id => this.GetDisplayName(SIGDN.SIGDN_FILESYSPATH);
@@ -69,9 +78,10 @@ public override int GetHashCode()
 		}
 
 		/// <inheritdoc/>
-		public void Dispose()
+		public virtual void Dispose()
 		{
-			ThisPtr->Release();
+			if (ThisPtr is not null) ThisPtr->Release();
+			if (ContextMenu is not null) ContextMenu->Release();
 		}
 
 		/// <inheritdoc/>