Functions/Set-Scrolllock.ps1
function Set-Scrolllock { <# .SYNOPSIS Sets the state of the ScrollLock button. .DESCRIPTION Sets the state of the ScrollLock button. It first determines the state of the ScrollLock and then acts accordingly. .PARAMETER On A switch parameter to determine if you want the ScrollLock on. .PARAMETER Off A switch parameter to determine if you want the ScrollLock off. .EXAMPLE Set-ScrollLock Will turn on the ScrollLock .EXAMPLE Set-ScrollLock -Off Will turn off the ScrollLock .NOTES Inspiration: # Inspired by https://gallery.technet.microsoft.com/on-off-keyboad-lock-keys-6ba9885c Changes: Created function to set on or off the ScrollLock. Requires use of helper function Test-IsScrollLock .LINK Wscript.Shell #> [CmdletBinding(ConfirmImpact='Low',SupportsShouldProcess,DefaultParameterSetName='On')] [OutputType($null)] [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter','')] Param( [parameter(ParameterSetName='On')] [switch] $On, [parameter(ParameterSetName='Off')] [switch] $Off ) begin { Write-Verbose -Message "Starting [$($MyInvocation.Mycommand)]" Write-Verbose -Message "ParameterSetName [$($PsCmdlet.ParameterSetName)]" } process { $CurrentState = Test-IsScrollLock -Verbose:$false $ShouldMessage = "ScrollLock currently [$($CurrentState.ToString().ToUpper())] and desired state is [$($On.ToString().ToUpper())]" if ($PSCmdlet.ShouldProcess($ShouldMessage)) { if ($CurrentState -eq $true) { write-verbose -Message 'ScrollLock is currently ON' if ($PsCmdlet.ParameterSetName -eq 'Off') { write-verbose -Message 'Setting ScrollLock to OFF' $wShell = New-Object -ComObject wscript.shell -ErrorAction Stop $wShell.SendKeys('{ScrollLock}') remove-variable -name wShell } } else { write-verbose -Message 'ScrollLock is currently OFF' if ($PsCmdlet.ParameterSetName -eq 'On') { Write-Verbose -Message 'Setting ScrollLock to ON' $wShell = New-Object -ComObject wscript.shell -ErrorAction Stop $wShell.SendKeys('{ScrollLock}') Remove-Variable -Name wShell } } } } end { Write-Verbose -Message "Ending [$($MyInvocation.Mycommand)]" } } #EndFunction Set-Scrolllock |