Changes default Windows 10 background images to custom background images

Set-Win10-CustomBackground.ps1

<#	
	.NOTES
	===========================================================================
	 Created with: 	SAPIEN Technologies, Inc., PowerShell Studio 2016 v5.2.120
	 Created on:   	4/28/2016 08:18
	 Created by:   	Colin Squier <[email protected]>
	 Filename:     	Set-Win10-CustomBackground.ps1
	===========================================================================
	.DESCRIPTION
		Changes default Windows 10 background images to custom background images.
#>

[CmdletBinding()]
Param ()

#Check for elevated execution
if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole(`
[Security.Principal.WindowsBuiltInRole] "Administrator"))
{
	$Arguments = "& '" + $MyInvocation.MyCommand.Definition + "'"
	Start-Process powershell -Verb RunAs -ArgumentList $Arguments
	Break
}


<#
	.SYNOPSIS
		Copies any file or files provided as input.
	
	.DESCRIPTION
		Copies any file or files provided as input, using
		absolute file pathes to minimize file path errors.
	
	.PARAMETER FilesToCopy
		An array of files to copy.
	
	.PARAMETER Destination
		File path of where to files are being copied to.
	
	.PARAMETER SourcePath
		File path of where the files are being copied from.
	
	.EXAMPLE
		PS C:\> CopyFile -FilesToCopy $value1 -Destination $value2 -SourcePath $value3
	
	.NOTES
		Compatible with PS 2+ and tested on Windows 7/10.
#>
function CopyFile($FilesToCopy, $Destination, $SourcePath)
{
	foreach ($File in $FilesToCopy)
	{
		$Path = Join-Path -Path $SourcePath -ChildPath $File
		Write-Verbose "Copying $File to $Destination"
		Copy-Item -Path $Path -Destination $Destination -Force
	}
}

<#
	.SYNOPSIS
		Returns the path of the executing script's directory.
	
	.DESCRIPTION
		Sapien's implementation of the variable $HostInvocation
		causes a conflict the with the system's variable.
	
	.EXAMPLE
		PS C:\> Get-ScriptDirectory
	
	.NOTES
		Work around for handling Sapien's custom host environment.
#>
function Get-ScriptDirectory
{
	if ($HostInvocation -ne $null)
	{
		Split-Path $HostInvocation.MyCommand.path
	}
	else
	{
		Split-Path $script:MyInvocation.MyCommand.Path
	}
}

$Source = Get-ScriptDirectory

#Copy background images
$FilesToCopy = "img100.jpg", "img101.png", "img102.jpg", "img103.png", "img104.jpg", "img105.jpg", "lockscreen.jpg"
$Destination = "$env:SystemRoot\Web\Screen"

Write-Verbose -Message "Taking ownership of $Destination"
$ACL = Get-ACL $Destination
$Group = New-Object System.Security.Principal.NTAccount("Builtin", "Administrators")
$ACL.SetOwner($Group)
Set-Acl -Path $Destination -AclObject $ACL

Write-Verbose -Message "Changing permissions on $Destination folder"
$Permission = $Group, "FullControl", "Allow"
$AccessRule = New-Object System.Security.AccessControl.FileSystemAccessRule $Permission
$ACL.SetAccessRule($AccessRule)
Set-Acl -Path $Destination -AclObject $ACL

Write-Verbose -Message "Enabling permission inheritance on $Destination folder"
$Permission = $Group, "FullControl", "ContainerInherit,ObjectInherit", "None", "Allow"
$AccessRule = New-Object System.Security.AccessControl.FileSystemAccessRule $Permission
$ACL.SetAccessRule($AccessRule)
Set-Acl -Path $Destination -AclObject $ACL
$Files = (Get-ChildItem $Destination)

foreach ($File in $Files)
{
	$Permission = $Group, "FullControl", "Allow"
	$AccessRule = New-Object System.Security.AccessControl.FileSystemAccessRule $Permission
	$ACL.SetAccessRule($AccessRule)
	$ACLFile = (Join-Path -Path $Destination -ChildPath $File)
	Write-Verbose -Message "Changing permissions on $ACLFile"
	Set-Acl -Path $ACLFile -AclObject $ACL
}

CopyFile -FilesToCopy $FilesToCopy -Destination $Destination -SourcePath $Source