From 3085b7d41228b0c2a821b0afa3b314f1fe9ec461 Mon Sep 17 00:00:00 2001
From: dahall <dahall@byu.net>
Date: Mon, 31 Aug 2020 10:43:21 -0600
Subject: [PATCH] Added new property keys for Recycle Bin (#162)

---
 PInvoke/Ole/Ole32/WTypes.PROPERTYKEY.cs    | 22 ++++++++++++++++++++++
 UnitTests/Windows.Shell/RecycleBinTests.cs |  5 ++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/PInvoke/Ole/Ole32/WTypes.PROPERTYKEY.cs b/PInvoke/Ole/Ole32/WTypes.PROPERTYKEY.cs
index 302d64be..69faae32 100644
--- a/PInvoke/Ole/Ole32/WTypes.PROPERTYKEY.cs
+++ b/PInvoke/Ole/Ole32/WTypes.PROPERTYKEY.cs
@@ -6300,6 +6300,28 @@ namespace Vanara.PInvoke
 						=> new PROPERTYKEY(new Guid("{1B5439E7-EBA1-4AF8-BDD7-7AF1D4549493}"), 100);
 				}
 
+				/// <summary>Recycle Bin Properties</summary>
+				public static class Recycle
+				{
+					/// <summary>
+					/// <para>Name:     System.Recycle.DeletedFrom</para>
+					/// <para>Description: Location (path) the file in the Recycle Bin was deleted from.</para>
+					/// <para>Type:     String -- VT_LPWSTR (For variants: VT_BSTR)</para>
+					/// <para>FormatID: {9b174b33-40ff-11d2-a27e-00c04fc30871}, 2</para>
+					/// </summary>
+					public static PROPERTYKEY DeletedFrom
+						=> new PROPERTYKEY(new Guid("{9b174b33-40ff-11d2-a27e-00c04fc30871}"), 2);
+
+					/// <summary>
+					/// <para>Name:     System.Recycle.DateDeleted</para>
+					/// <para>Description: Location (path) the file in the Recycle Bin was deleted from.</para>
+					/// <para>Type:     DateTime -- VT_FILETIME (For variants: VT_DATE)</para>
+					/// <para>FormatID: {9b174b33-40ff-11d2-a27e-00c04fc30871}, 3</para>
+					/// </summary>
+					public static PROPERTYKEY DateDeleted
+						=> new PROPERTYKEY(new Guid("{9b174b33-40ff-11d2-a27e-00c04fc30871}"), 3);
+				}
+
 				/// <summary>Search Properties</summary>
 				public static class Search
 				{
diff --git a/UnitTests/Windows.Shell/RecycleBinTests.cs b/UnitTests/Windows.Shell/RecycleBinTests.cs
index e76c7897..4bbb83ac 100644
--- a/UnitTests/Windows.Shell/RecycleBinTests.cs
+++ b/UnitTests/Windows.Shell/RecycleBinTests.cs
@@ -5,6 +5,7 @@ using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
+using Vanara.Extensions;
 using Vanara.InteropServices;
 using Vanara.PInvoke;
 using Vanara.PInvoke.Tests;
@@ -32,13 +33,15 @@ namespace Vanara.Windows.Shell.Tests
 
 			try
 			{
+				var startCount = RecycleBin.Count;
 				// Delete files to bin
 				RecycleBin.DeleteToRecycleBin(paths, true);
 				// Get details
 				TestContext.WriteLine($"cnt={RecycleBin.Count}; sz={RecycleBin.Size}");
+				Assert.That(RecycleBin.Count, Is.EqualTo(startCount + paths.Count));
 				// Restore files
 				RecycleBin.Restore(paths.Select(p => RecycleBin.GetItemFromOriginalPath(p)));
-				Assert.That(RecycleBin.Count, Is.EqualTo(0L));
+				Assert.That(RecycleBin.Count, Is.EqualTo(startCount));
 			}
 			finally
 			{