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

87 lines
3.5 KiB
C#

// <copyright file="Runspace04.cs" company="Microsoft Corporation">
// Copyright (c) 2009 Microsoft Corporation. All rights reserved.
// </copyright>
// DISCLAIMER OF WARRANTY: The software is licensed “as-is.” You
// bear the risk of using it. Microsoft gives no express warranties,
// guarantees or conditions. You may have additional consumer rights
// under your local laws which this agreement cannot change. To the extent
// permitted under your local laws, Microsoft excludes the implied warranties
// of merchantability, fitness for a particular purpose and non-infringement.
namespace Microsoft.Samples.PowerShell.Runspaces
{
using System;
using System.Management.Automation;
using System.Management.Automation.Runspaces;
using PowerShell = System.Management.Automation.PowerShell;
/// <summary>
/// This class contains the Main entry point for this host application.
/// </summary>
internal class Runspace04
{
/// <summary>
/// This sample uses a PowerShell object to run commands.
/// The commands generate a terminating exception that the
/// caller should catch and process.
/// </summary>
/// <param name="args">Parameter not used.</param>
/// <remarks>
/// This sample demonstrates the following:
/// 1. Creating a PowerShell object.
/// 2. Using the PowerShell object to run the commands.
/// 3. Passing input objects to the commands from the calling program.
/// 4. Using PSObject objects to extract and display properties from the
/// objects returned by the commands.
/// 5. Retrieving and displaying error records that were generated
/// while running the commands.
/// 6. Catching and displaying terminating exceptions generated
/// while running the commands.
/// </remarks>
private static void Main(string[] args)
{
// Create a PowerShell object.
using (PowerShell powershell = PowerShell.Create())
{
// Add the commands to the PowerShell object.
powershell.AddCommand("Get-ChildItem").AddCommand("Select-String").AddArgument("*");
// Run the commands synchronously. 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());
}
// Process any error records that were generated while running the commands.
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 commands. These exceptions
// will all be derived from the RuntimeException exception.
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();
}
}
}