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BACKGROUND I am using Powershell 2.0 on Windows 7. I am writing a cmdlet in a Powershell module ("module" is new to Powershell 2.0). To test the cmdlet I am writing Unit tests in Visual Studio 2008 that programmatically invoke the cmdlet. REFERENCE This Article on MSDN called "How to Invoke a Cmdlet from Within a Cmdlet" shows how to call a cmdlet from C#. THE SOURCE CODE This is a distilled version of my actual code — I've made it as small as possible so that you can see the problem I am having clearly: using System; using System.Management.Automation; namespace DemoCmdLet1 { class Program { static void Main(string[] args) { var cmd = new GetColorsCommand(); foreach ( var i in cmd.Invoke<string>()) { Console.WriteLine("- " + i ); } } } [Cmdlet("Get", "Colors")] public class GetColorsCommand : Cmdlet { protected override void ProcessRecord() { this.WriteObject("Hello"); this.WriteVerbose("World"); } } } COMMENTS I understand how to enable and capture verbose output from the Powershell command line; that's not the problem. In this case I am programmatically invoking the cmdlet from C#. Nothing I've found addresses my specific scenario. Some articles suggest I should implement my own PSHost, but seems expensive and also it seems like a have to call the cmdlet as text, which I would like to avoid because that is not as strongly typed. UPDATE ON 2009-07-20 Here is is the source code based on the answer below

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