Update ShellNewItem

Author: 0x5bfa

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

@@ -3,7 +3,33 @@
 
 namespace Files.App.Storage
 {
+	/// <summary>
+	/// Represents a ShellNew item with its type, file extension, description, and icon.
+	/// </summary>
+	/// <remarks>
+	/// This class maps to an undocumented struct, SHELLNEW_ITEM.
+	/// </remarks>
+	// TODO: Should this class be a record instead?
 	public partial class ShellNewItem
 	{
+		/// <summary>
+		/// Gets the type of a new shell item.
+		/// </summary>
+		public ShellNewItemType Type { get; set; } = ShellNewItemType.Invalid;
+
+		/// <summary>
+		/// Gets string file extension (e.g. ".txt").
+		/// </summary>
+		public string? Extension { get; set; }
+
+		/// <summary>
+		/// Gets string description as a string.
+		/// </summary>
+		public string? Description { get; set; }
+
+		/// <summary>
+		/// Gets icon data as a byte array.
+		/// </summary>
+		public byte[]? Icon { get; set; }
 	}
 }

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

@@ -0,0 +1,14 @@
+// Copyright (c) Files Community
+// Licensed under the MIT License.
+
+namespace Files.App.Storage
+{
+	public enum ShellNewItemType // Exactly maps to an undocumented enum, SHELLNEW_TYPE
+	{
+		Invalid = -1,
+		Command = 1,
+		Data = 2,
+		FileName = 4,
+		NullFile = 8
+	}
+}

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

@@ -1,7 +1,6 @@
 // Copyright (c) Files Community
 // Licensed under the MIT License.
 
-using Microsoft.Win32;
 using Windows.Win32;
 using Windows.Win32.Foundation;
 using Windows.Win32.System.Registry;

src/Files.App.Storage/Storables/WindowsStorage/WindowsStorableHelpers.Registry.cs

@@ -60,7 +60,6 @@ public static bool GetRegistryValue<T>(HKEY hRootKey, string szSubKey, string sz
 					pData = (byte*)NativeMemory.Alloc(cbData);
 					dwResult = PInvoke.RegGetValue(hKey, default, pszValueName, dwRoutineFlags, &dwValueType, pData, &cbData);
 
-
 					switch (dwValueType)
 					{
 						case REG_VALUE_TYPE.REG_NONE: