Demo-CmdLetBinding

1.0.0

Demo-CmdLetBinding.ps1


<#PSScriptInfo
 
.VERSION 1.0.0
 
.GUID 865406f6-992e-476a-8ef7-4a0d5a9ee60e
 
.AUTHOR Frits van Drie (3-Link.nl)
 
.COMPANYNAME 3-Link Opleidingen
 
.COPYRIGHT free to use and distribute without modifications
 
.TAGS
 
.LICENSEURI
 
.PROJECTURI
 
.ICONURI
 
.EXTERNALMODULEDEPENDENCIES
 
.REQUIREDSCRIPTS
 
.EXTERNALSCRIPTDEPENDENCIES
 
.RELEASENOTES
 
 
.PRIVATEDATA
 
#>

<#
 
.DESCRIPTION
 Developed by 3-Link Opleidingen for training purposes only
 
#> 

Param()


<#
.NOTES
        Filename: Demo-CmdLetBinding
        Date: 2022-04-07
        Author: Frits van Drie (3-Link.nl)
 
        The CmdletBinding attribute is an attribute of functions that makes them operate like compiled cmdlets written in C#.
        It provides access to the features of cmdlets.
 
.LINK
        Demo-Parameters.ps1
.LINK
        https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_functions_cmdletbindingattribute
 
#>


Write-Warning 'This script is developed for demonstration. Open it in your code editor and run in step-by-step'
BREAK

#region: Functions

#endregion

Function Demo-WithoutCmdLetBinding {
    Param (
        [string]$ComputerName = $env:COMPUTERNAME
    )

    Write-Verbose "Demo-WithoutCmdLetBinding running on:" 
    Write-Host $ComputerName
}

Help Demo-WithoutCmdLetBinding -ShowWindow
cls; Demo-WithoutCmdLetBinding
cls; Demo-WithoutCmdLetBinding -Verbose




Function Demo-CmdLetBinding {
    [CmdletBinding()]
    Param (
        [string]$ComputerName = $env:COMPUTERNAME
    )

    Write-Verbose "Demo-CmdLetBinding running on:" 
    Write-Host $ComputerName
}

Help Demo-CmdLetBinding -ShowWindow  # ==> [<CommonParameters>]
cls; Demo-CmdLetBinding
cls; Demo-CmdLetBinding -Verbose

Help about_CommonParameters -ShowWindow  # '| More' does not work in ISE


Function CmdletBindingArguments {
    [CmdletBinding(
        ConfirmImpact           = 'LowMediumHigh',
        DefaultParameterSetName = 'Set1',
        HelpURI                 = 'https:help.me.now',
        SupportsPaging          = $true,
        SupportsShouldProcess   = $true,
        PositionalBinding       = $true
    )]

    param()


}


Break

#region Cleanup Demo

    Function Cleanup-Demo {
        param(
            $path
        )

            try {
                Remove-Item $path -Recurse -Confirm:$false -Force -ea Stop
                Write-Host "Removed $path" -f Green
                return
            }
            catch {

                Write-Warning $error[0].Exception.Message
            }

    }

    Cleanup-Demo -path "FUNCTION:\Demo-WithoutCmdLetBinding"
    Cleanup-Demo -path "FUNCTION:\Demo-CmdLetBinding"
    Cleanup-Demo -path "FUNCTION:\CmdLetBindingArguments"


#endregion