Option to use Pager to display help text (#216)

Co-Authored-By: mpipo <[email protected]>

Author: Ratchaphon Manosuthi

src/CommandLineUtils/CommandLineApplication.cs

@@ -169,6 +169,11 @@ public string Name
         /// </summary>
         public List<CommandOption> Options { get; private set; }
 
+        /// <summary>
+        /// Whether a Pager should be used to display help text.
+        /// </summary>
+        public bool UsePagerForHelpText { get; set; } = true;
+
         /// <summary>
         /// All names by which the command can be referenced. This includes <see cref="Name"/> and an aliases added in <see cref="AddName"/>.
         /// </summary>
@@ -839,7 +844,7 @@ public virtual void ShowHint()
         /// <summary>
         /// Show full help.
         /// </summary>
-        public void ShowHelp() => ShowHelp(usePager: true);
+        public void ShowHelp() => ShowHelp(usePager: UsePagerForHelpText);
 
         /// <summary>
         /// Show full help.