Psx

2.1.22207.25491

Object/Object.ps1

                                #region Copyright & License

# Copyright © 2012 - 2022 François Chabot

#

# 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.

#endregion

Set-StrictMode -Version Latest

<#

.SYNOPSIS

   Use and dispose of an object that supports IDisposable.

.DESCRIPTION

   Like the C# using statement, dispose an object after usage that supports IDisposable.

.PARAMETER Object

   The object to use and to be disposed of afterwards.

.PARAMETER Process

   The script block that exercises the object to be disposed of afterwards.

.EXAMPLE

   Using-Object ($streamWriter = New-Object System.IO.StreamWriter("some-file.txt")) {

      $streamWriter.WriteLine('some content.')

   }

.NOTES

   Notice that, unlike in its original source mentioned below, the function is called 'Use-Object', which does

   rely on an approved PowerShell verb, and not 'Using-Object', which does not. See

   https://davewyatt.wordpress.com/2014/04/11/using-object-powershell-version-of-cs-using-statement/

#>

function Use-Object {

   [CmdletBinding()]

   [OutputType([void])]

   param (

      [Parameter(Mandatory = $true)]

      [AllowEmptyString()]

      [AllowEmptyCollection()]

      [AllowNull()]

      [System.IDisposable]

      $Object,

      [Parameter(Mandatory = $true)]

      [scriptblock]

      $Process

   )

   Resolve-ActionPreference -Cmdlet $PSCmdlet -SessionState $ExecutionContext.SessionState

   try {

      . $Process

   } finally {

      if ($null -ne $Object) {

         $Object.Dispose()

      }

   }

}

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