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

87 lines
3.3 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.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 Runspace08
{
/// <summary>
/// This sample uses the PowerShell class. It builds a pipeline that executes
/// the get-process cmdlet piped into sort-object. Parameters are added to a command.
/// </summary>
/// <param name="args">Unused</param>
/// <remarks>
/// 1. Creating a PowerShell object
/// 2. Adding individual commands to that runspace
/// 3. Adding parameters to the commands
/// 4. Synchronously invoking the constructed pipeline.
/// 5. Working with PSObject to extract properties from the objects returned.
/// </remarks>
static void Main(string[] args)
{
Collection<PSObject> results; // Holds the result of the pipeline execution.
// (Note that no PSHost instance is supplied in the constructor so the
// default PSHost implementation is used. See the Hosting topics for
// more information on creating your own PSHost class.)
// Create a PowerShell...
PowerShell powershell = PowerShell.Create();
// Use the using statement so we dispose of the Pipeline object
// when we're done.
using (powershell)
{
// Add the 'get-process' cmdlet(note that this is just the name
// of a command, not a script.
powershell.AddCommand("get-process");
// Create a command object so we can set some parameters
// for this command.
// Sort in descending order...
// By handlecount...
powershell.AddCommand("sort-object").AddParameter("descending").AddParameter("property", "handlecount");
// Execute the pipeline and save the objects returned.
results = powershell.Invoke();
}
// Even after disposing of the powershell, we still need to set the
// powershell variable to null so the garbage collector can clean it up.
powershell = null;
// Display the results of the execution
Console.WriteLine("Process HandleCount");
Console.WriteLine("--------------------------------");
// Print out each result object...
foreach (PSObject result in results)
{
Console.WriteLine("{0,-20} {1}",
result.Members["ProcessName"].Value,
result.Members["HandleCount"].Value);
}
System.Console.WriteLine("Hit any key to exit...");
System.Console.ReadKey();
}
}
}