Functions/GenXdev.Windows/Get-ChildProcesses.ps1
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Part of PowerShell module : GenXdev.Windows Original cmdlet filename : Get-ChildProcesses.ps1 Original author : René Vaessen / GenXdev Version : 1.300.2025 ################################################################################ Copyright (c) René Vaessen / GenXdev Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ################################################################################> ############################################################################### <# .SYNOPSIS Retrieves all processes that are descendants of the current PowerShell process. .DESCRIPTION Examines all running processes and identifies those that have the current PowerShell process as an ancestor in their parent process chain. This includes both direct child processes and their descendants (grandchildren, etc.). .EXAMPLE Get all child processes of the current PowerShell session Get-ChildProcesses .EXAMPLE Get child processes and display verbose output Get-ChildProcesses -Verbose #> function Get-ChildProcesses { [CmdletBinding()] [System.Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseSingularNouns', '')] param() begin { # log start of process detection Microsoft.PowerShell.Utility\Write-Verbose 'Starting child process detection...' # store current powershell process id for parent chain comparison $currentProcessId = $PID Microsoft.PowerShell.Utility\Write-Verbose "Current process ID: $currentProcessId" } process { # get all processes currently running on the system $allProcesses = Microsoft.PowerShell.Management\Get-Process Microsoft.PowerShell.Utility\Write-Verbose "Retrieved $($allProcesses.Count) total processes" # filter processes by checking if current process is in their parent chain $allProcesses | Microsoft.PowerShell.Core\Where-Object { $processToCheck = $_ # traverse up the parent chain until we find our process or hit top while ($null -ne $processToCheck.Parent) { if ($processToCheck.Parent.Id -eq $currentProcessId) { Microsoft.PowerShell.Utility\Write-Verbose ("Found child process: $($processToCheck.Name) " + ` "ID: $($processToCheck.Id)") return $true } $processToCheck = $processToCheck.Parent } return $false } } end { Microsoft.PowerShell.Utility\Write-Verbose 'Completed child process detection' } } |