From dfd5685d73dcf4e921030650fd4167db9c7ab832 Mon Sep 17 00:00:00 2001
From: xtqqczze <xtqqczze@gmail.com>
Date: Wed, 17 Mar 2021 14:55:52 +0000
Subject: [PATCH] Refactor MultipleServiceCommandBase.AllServices

---
 .../commands/management/Service.cs            | 21 ++++++-------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/src/Microsoft.PowerShell.Commands.Management/commands/management/Service.cs b/src/Microsoft.PowerShell.Commands.Management/commands/management/Service.cs
index 1d793857c1a..82210f627ce 100644
--- a/src/Microsoft.PowerShell.Commands.Management/commands/management/Service.cs
+++ b/src/Microsoft.PowerShell.Commands.Management/commands/management/Service.cs
@@ -290,28 +290,19 @@ public ServiceController[] InputObject
         #region Internal
 
         /// <summary>
-        /// Retrieve the master list of all services.
+        /// Gets an array of all services.
         /// </summary>
-        /// <value></value>
+        /// <value>
+        /// An array of <see cref="ServiceController"/> components that represents all the service resources.
+        /// </value>
         /// <exception cref="System.Security.SecurityException">
         /// MSDN does not document the list of exceptions,
         /// but it is reasonable to expect that SecurityException is
         /// among them.  Errors here will terminate the cmdlet.
         /// </exception>
-        internal ServiceController[] AllServices
-        {
-            get
-            {
-                if (_allServices == null)
-                {
-                    _allServices = ServiceController.GetServices();
-                }
-
-                return _allServices;
-            }
-        }
+        internal ServiceController[] AllServices => _allServices ??= ServiceController.GetServices();
 
-        private ServiceController[] _allServices = null;
+        private ServiceController[] _allServices;
 
         internal ServiceController GetOneService(string nameOfService)
         {