Object/Object.ps1
#region Copyright & License # Copyright © 2012 - 2020 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 mentionned 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() } } } # SIG # Begin signature block # MIITugYJKoZIhvcNAQcCoIITqzCCE6cCAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB # gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR # AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQUKnnE/UotXBZmF6P6khDlMFkN # Ipeggg46MIID7jCCA1egAwIBAgIQfpPr+3zGTlnqS5p31Ab8OzANBgkqhkiG9w0B # AQUFADCBizELMAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTEUMBIG # A1UEBxMLRHVyYmFudmlsbGUxDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUVGhh # d3RlIENlcnRpZmljYXRpb24xHzAdBgNVBAMTFlRoYXd0ZSBUaW1lc3RhbXBpbmcg # 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