PowerShell · TravisEz13 · Oct 17, 2025 · Oct 16, 2025
@@ -133,7 +133,7 @@ internal static void Dispatch(
         /// </summary>
         private static bool IsRunspacePushed(PSHost host)
         {
-            if (!(host is IHostSupportsInteractiveSession host2))
+            if (host is not IHostSupportsInteractiveSession host2)
             {
                 return false;
             }

@@ -752,10 +752,10 @@ private void WriteError(Cmdlet cmdlet, ErrorRecord errorRecord)
 
         private static Exception GetExceptionFromErrorRecord(ErrorRecord errorRecord)
         {
-            if (!(errorRecord.Exception is RuntimeException runtimeException))
+            if (errorRecord.Exception is not RuntimeException runtimeException)
                 return null;
 
-            if (!(runtimeException is RemoteException remoteException))
+            if (runtimeException is not RemoteException remoteException)
                 return null;
 
             PSPropertyInfo wasThrownFromThrow =
@@ -1911,7 +1911,7 @@ internal List<Job> GetJobsForComputer(string computerName)
 
             foreach (Job j in ChildJobs)
             {
-                if (!(j is PSRemotingChildJob child)) continue;
+                if (j is not PSRemotingChildJob child) continue;
                 if (string.Equals(child.Runspace.ConnectionInfo.ComputerName, computerName,
                                 StringComparison.OrdinalIgnoreCase))
                 {
@@ -1934,7 +1934,7 @@ internal List<Job> GetJobsForRunspace(PSSession runspace)
 
             foreach (Job j in ChildJobs)
             {
-                if (!(j is PSRemotingChildJob child)) continue;
+                if (j is not PSRemotingChildJob child) continue;
                 if (child.Runspace.InstanceId.Equals(runspace.InstanceId))
                 {
                     returnJobList.Add(child);
@@ -1957,7 +1957,7 @@ internal List<Job> GetJobsForOperation(IThrottleOperation operation)
 
             foreach (Job j in ChildJobs)
             {
-                if (!(j is PSRemotingChildJob child)) continue;
+                if (j is not PSRemotingChildJob child) continue;
                 if (child.Helper.Equals(helper))
                 {
                     returnJobList.Add(child);

@@ -413,7 +413,7 @@ public void StoreJobIdForReuse(Job2 job, bool recurse)
                 duplicateDetector.Add(job.InstanceId, job.InstanceId);
                 foreach (Job child in job.ChildJobs)
                 {
-                    if (!(child is Job2 childJob)) continue;
+                    if (child is not Job2 childJob) continue;
                     StoreJobIdForReuseHelper(duplicateDetector, childJob, true);
                 }
             }
@@ -429,7 +429,7 @@ private void StoreJobIdForReuseHelper(Hashtable duplicateDetector, Job2 job, boo
             if (!recurse || job.ChildJobs == null) return;
             foreach (Job child in job.ChildJobs)
             {
-                if (!(child is Job2 childJob)) continue;
+                if (child is not Job2 childJob) continue;
                 StoreJobIdForReuseHelper(duplicateDetector, childJob, recurse);
             }
         }

@@ -1237,7 +1237,7 @@ public override RunspacePoolCapability GetCapabilities()
 
         internal static RunspacePool[] GetRemoteRunspacePools(RunspaceConnectionInfo connectionInfo, PSHost host, TypeTable typeTable)
         {
-            if (!(connectionInfo is WSManConnectionInfo wsmanConnectionInfoParam))
+            if (connectionInfo is not WSManConnectionInfo wsmanConnectionInfoParam)
             {
                 // Disconnect-Connect currently only supported by WSMan.
                 throw new NotSupportedException();

@@ -374,7 +374,7 @@ public static PSSession Create(
             string transportName,
             PSCmdlet psCmdlet)
         {
-            if (!(runspace is RemoteRunspace remoteRunspace))
+            if (runspace is not RemoteRunspace remoteRunspace)
             {
                 throw new PSArgumentException(RemotingErrorIdStrings.InvalidPSSessionArgument);
             }

@@ -1753,7 +1753,7 @@ internal static string CreateConditionalACEFromConfig(
             }
 
             StringBuilder conditionalACE = new StringBuilder();
-            if (!(configTable[ConfigFileConstants.RequiredGroups] is Hashtable requiredGroupsHash))
+            if (configTable[ConfigFileConstants.RequiredGroups] is not Hashtable requiredGroupsHash)
             {
                 throw new PSInvalidOperationException(RemotingErrorIdStrings.RequiredGroupsNotHashTable);
             }

@@ -1050,7 +1050,7 @@ protected override void BeginProcessing()
                 // create collection of input writers here
                 foreach (IThrottleOperation operation in Operations)
                 {
-                    if (!(operation is ExecutionCmdletHelperRunspace ecHelper))
+                    if (operation is not ExecutionCmdletHelperRunspace ecHelper)
                     {
                         // either all the operations will be of type ExecutionCmdletHelperRunspace
                         // or not...there is no mix.

@@ -1166,7 +1166,7 @@ private static PSSession ConnectSession(PSSession session, out Exception ex)
         /// <returns>PSSession disconnected runspace object.</returns>
         private PSSession TryGetSessionFromServer(PSSession session)
         {
-            if (!(session.Runspace is RemoteRunspace remoteRunspace))
+            if (session.Runspace is not RemoteRunspace remoteRunspace)
             {
                 return null;
             }

@@ -1174,7 +1174,7 @@ private static string ResolveShellUri(string shell)
         internal static T ExtractPropertyAsWsManConnectionInfo<T>(RunspaceConnectionInfo rsCI,
             string property, T defaultValue)
         {
-            if (!(rsCI is WSManConnectionInfo wsCI))
+            if (rsCI is not WSManConnectionInfo wsCI)
             {
                 return defaultValue;
             }

@@ -1869,7 +1869,7 @@ internal static object GetPowerShellOutput(object data)
         /// <returns>PSInvocationInfo.</returns>
         internal static PSInvocationStateInfo GetPowerShellStateInfo(object data)
         {
-            if (!(data is PSObject dataAsPSObject))
+            if (data is not PSObject dataAsPSObject)
             {
                 throw new PSRemotingDataStructureException(
                     RemotingErrorIdStrings.DecodingErrorForPowerShellStateInfo);
@@ -2137,7 +2137,7 @@ internal static RemoteStreamOptions GetRemoteStreamOptions(object data)
         /// <returns>RemoteSessionCapability object.</returns>
         internal static RemoteSessionCapability GetSessionCapability(object data)
         {
-            if (!(data is PSObject dataAsPSObject))
+            if (data is not PSObject dataAsPSObject)
             {
                 throw new PSRemotingDataStructureException(
                     RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);

@@ -2836,7 +2836,7 @@ internal static Hashtable[] TryGetHashtableArray(object hashObj)
 
                     for (int i = 0; i < hashArray.Length; i++)
                     {
-                        if (!(objArray[i] is Hashtable hash))
+                        if (objArray[i] is not Hashtable hash)
                         {
                             return null;
                         }

@@ -327,7 +327,7 @@ public override void PushRunspace(Runspace runspace)
                 throw new PSInvalidOperationException(RemotingErrorIdStrings.ServerDriverRemoteHostAlreadyPushed);
             }
 
-            if (!(runspace is RemoteRunspace remoteRunspace))
+            if (runspace is not RemoteRunspace remoteRunspace)
             {
                 throw new PSInvalidOperationException(RemotingErrorIdStrings.ServerDriverRemoteHostNotRemoteRunspace);
             }