Renames tile control classes

Adds conditional logging for memory debugging
Hides CrredentialTile3 implementation

src/Lithnet.CredentialProvider/CredentialTile2.cs

@@ -0,0 +1,33 @@
+namespace Lithnet.CredentialProvider
+{
+    /// <summary>
+    /// Represents a 'v2' user credential tile that implements the functionality of <see cref="CredentialTile"/>, and includes support for personalized tile, where a single user tile is shown, with multiple logon options grouped within it.
+    /// </summary>
+    /// <remarks>Inheriting from this class enables you to provide a v2 credential tile. V2 credential tiles were introduced in Windows 8. See the Microsoft documentation on ICredentialProviderCredential2 for more information</remarks>
+    /// <inheritdoc/>
+    public abstract partial class CredentialTile2 : CredentialTile
+    {
+        /// <summary>
+        /// Gets the user represented by this credential tile
+        /// </summary>
+        public CredentialProviderUser User { get; }
+
+        /// <summary>
+        /// Gets a value indicating if this is a personalized or generic tile
+        /// </summary>
+        public override bool IsGenericTile => this.User == null;
+
+        /// <summary>
+        /// Gets or sets a value that controls how the generic tile is displayed to the end user.
+        /// </summary>
+        /// <remarks>This does not apply in scenarios where a personalized tile is provided</remarks>
+        public GenericTileDisplayMode GenericTileDisplayMode { get; set; }
+
+        protected CredentialTile2(CredentialProviderBase credentialProvider) : this(credentialProvider, null) { }
+
+        protected CredentialTile2(CredentialProviderBase credentialProvider, CredentialProviderUser user) : base(credentialProvider)
+        {
+            this.User = user;
+        }
+    }
+}