2025-11-28 00:35:46 +09:00

85 lines
3.4 KiB
C#

//
// Copyright (c) 2006 Microsoft Corporation. All rights reserved.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Text;
using System.Management.Automation;
using System.Management.Automation.Host;
using System.Management.Automation.Runspaces;
namespace Microsoft.Samples.PowerShell.Runspaces
{
using PowerShell = System.Management.Automation.PowerShell;
class Runspace04
{
/// <summary>
/// This sample uses the PowerShell class to execute
/// a script. This script will generate a terminating
/// exception that the caller should catch and process.
/// </summary>
/// <param name="args">Unused</param>
/// <remarks>
/// This sample demonstrates the following:
/// 1. Creating an instance of the PowerShell class.
/// 2. Using this instance to execute a string as a PowerShell script.
/// 3. Passing input objects to the script from the calling program.
/// 4. Using PSObject to extract and display properties from the objects
/// returned by this command.
/// 5. Retrieving and displaying error records that may be generated
/// during the execution of that script.
/// 6. Catching and displaying terminating exceptions generated
/// by the script being run.
/// </remarks>
static void Main(string[] args)
{
// Create an instance of the PowerShell class.
PowerShell powershell = PowerShell.Create().AddCommand("Get-ChildItem").AddCommand("Select-String").AddArgument("*");
// Invoke the runspace. Because of the bad regular expression,
// no objects will be returned. Instead, an exception will be
// thrown.
try
{
foreach (PSObject result in powershell.Invoke())
{
Console.WriteLine("'{0}'", result.ToString());
}
// Now process any error records that were generated while running the script.
Console.WriteLine("\nThe following non-terminating errors occurred:\n");
PSDataCollection<ErrorRecord> errors = powershell.Streams.Error;
if (errors != null && errors.Count > 0)
{
foreach (ErrorRecord err in errors)
{
System.Console.WriteLine(" error: {0}", err.ToString());
}
}
}
catch (RuntimeException runtimeException)
{
// Trap any exception generated by the script. These exceptions
// will all be derived from RuntimeException.
System.Console.WriteLine("Runtime exception: {0}: {1}\n{2}",
runtimeException.ErrorRecord.InvocationInfo.InvocationName,
runtimeException.Message,
runtimeException.ErrorRecord.InvocationInfo.PositionMessage
);
}
System.Console.WriteLine("\nHit any key to exit...");
System.Console.ReadKey();
}
}
}