Merge pull request #29 from AsBuiltReport/copilot/sub-pr-28

Fix New-SignalChart to throw terminating error when Values is null

Author: rebelinux

Sources/PowerShell/SignalChartPwsh.cs

@@ -271,7 +271,11 @@ protected override void ProcessRecord()
             }
             else
             {
-                WriteObject("Values parameter cannot be null or empty.");
+                ThrowTerminatingError(new ErrorRecord(
+                    new ArgumentNullException(nameof(Values), "Values parameter cannot be null or empty."),
+                    "ValuesNullOrEmpty",
+                    ErrorCategory.InvalidArgument,
+                    nameof(Values)));
             }
         }
     }