100 lines
3.3 KiB
C#
100 lines
3.3 KiB
C#
// <copyright file="GetProcessSample04.cs" company="Microsoft Corporation">
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// Copyright (c) 2009 Microsoft Corporation. All rights reserved.
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// </copyright>
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// DISCLAIMER OF WARRANTY: The software is licensed “as-is.” You
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// bear the risk of using it. Microsoft gives no express warranties,
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// guarantees or conditions. You may have additional consumer rights
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// under your local laws which this agreement cannot change. To the extent
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// permitted under your local laws, Microsoft excludes the implied warranties
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// of merchantability, fitness for a particular purpose and non-infringement.
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namespace Microsoft.Samples.PowerShell.Commands
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{
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using System;
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using System.Diagnostics;
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using System.Management.Automation; // Windows PowerShell namespace.
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#region GetProcCommand
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/// <summary>
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/// This class implements the get-proc cmdlet.
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/// </summary>
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[Cmdlet(VerbsCommon.Get, "Proc")]
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public class GetProcCommand : Cmdlet
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{
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#region Parameters
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/// <summary>
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/// The names of the processes to act on.
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/// </summary>
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private string[] processNames;
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/// <summary>
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/// Gets or sets the list of process names on
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/// which the Get-Proc cmdlet will work.
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/// </summary>
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[Parameter(
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Position = 0,
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ValueFromPipeline = true,
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ValueFromPipelineByPropertyName = true)]
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[ValidateNotNullOrEmpty]
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public string[] Name
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{
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get { return this.processNames; }
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set { this.processNames = value; }
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}
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#endregion Parameters
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#region Cmdlet Overrides
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/// <summary>
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/// The ProcessRecord method calls the Process.GetProcesses
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/// method to retrieve the processes specified by the Name
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/// parameter. Then, the WriteObject method writes the
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/// associated processes to the pipeline.
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/// </summary>
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protected override void ProcessRecord()
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{
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// If no process names are passed to cmdlet, get all
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// processes.
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if (this.processNames == null)
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{
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WriteObject(Process.GetProcesses(), true);
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}
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else
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{
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// If process names are passed to the cmdlet, get and write
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// the associated processes.
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// If a nonterminating error occurs while retrieving processes,
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// call the WriteError method to send an error record to the
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// error stream.
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foreach (string name in this.processNames)
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{
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Process[] processes;
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try
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{
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processes = Process.GetProcessesByName(name);
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}
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catch (InvalidOperationException ex)
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{
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WriteError(new ErrorRecord(
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ex,
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"UnableToAccessProcessByName",
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ErrorCategory.InvalidOperation,
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name));
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continue;
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}
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WriteObject(processes, true);
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} // foreach (string name...
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} // else
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} // ProcessRecord
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#endregion Overrides
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} // End GetProcCommand class.
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#endregion GetProcCommand
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}
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