Change windows user folders with powershell

KnownFolderPathPS5.ps1

<#
.SYNOPSIS
    Requires powershell 5 or later
    Provides Get and Set functions for KnownFolders
.EXAMPLE
    PS> Set-KnownFolderPath Desktop $ENV:USERPROFILE/Desktop
.EXAMPLE
    PS> $Path=""
    PS> Get-KnownFolderPath Desktop ([ref]$Path)
.LINK
    https://docs.microsoft.com/en-us/windows/win32/shell/known-folders
.LINK
    https://stackoverflow.com/questions/25709398/set-location-of-special-folders-with-powershell
.LINK
    https://gist.github.com/YoraiLevi/0f333d520f502fdb1244cdf0524db6d2
#>

# using namespace System.Management.Automation

# Define known folder GUIDs
$KnownFolders = @{
    '3DObjects'             = '31C0DD25-9439-4F12-BF41-7FF4EDA38722';
    'AddNewPrograms'        = 'de61d971-5ebc-4f02-a3a9-6c82895e5c04';
    'AdminTools'            = '724EF170-A42D-4FEF-9F26-B60E846FBA4F';
    'AppUpdates'            = 'a305ce99-f527-492b-8b1a-7e76fa98d6e4';
    'CDBurning'             = '9E52AB10-F80D-49DF-ACB8-4330F5687855';
    'ChangeRemovePrograms'  = 'df7266ac-9274-4867-8d55-3bd661de872d';
    'CommonAdminTools'      = 'D0384E7D-BAC3-4797-8F14-CBA229B392B5';
    'CommonOEMLinks'        = 'C1BAE2D0-10DF-4334-BEDD-7AA20B227A9D';
    'CommonPrograms'        = '0139D44E-6AFE-49F2-8690-3DAFCAE6FFB8';
    'CommonStartMenu'       = 'A4115719-D62E-491D-AA7C-E74B8BE3B067';
    'CommonStartup'         = '82A5EA35-D9CD-47C5-9629-E15D2F714E6E';
    'CommonTemplates'       = 'B94237E7-57AC-4347-9151-B08C6C32D1F7';
    'ComputerFolder'        = '0AC0837C-BBF8-452A-850D-79D08E667CA7';
    'ConflictFolder'        = '4bfefb45-347d-4006-a5be-ac0cb0567192';
    'ConnectionsFolder'     = '6F0CD92B-2E97-45D1-88FF-B0D186B8DEDD';
    'Contacts'              = '56784854-C6CB-462b-8169-88E350ACB882';
    'ControlPanelFolder'    = '82A74AEB-AEB4-465C-A014-D097EE346D63';
    'Cookies'               = '2B0F765D-C0E9-4171-908E-08A611B84FF6';
    'Desktop'               = 'B4BFCC3A-DB2C-424C-B029-7FE99A87C641';
    'Documents'             = 'FDD39AD0-238F-46AF-ADB4-6C85480369C7';
    'Downloads'             = '374DE290-123F-4565-9164-39C4925E467B';
    'Favorites'             = '1777F761-68AD-4D8A-87BD-30B759FA33DD';
    'Fonts'                 = 'FD228CB7-AE11-4AE3-864C-16F3910AB8FE';
    'Games'                 = 'CAC52C1A-B53D-4edc-92D7-6B2E8AC19434';
    'GameTasks'             = '054FAE61-4DD8-4787-80B6-090220C4B700';
    'History'               = 'D9DC8A3B-B784-432E-A781-5A1130A75963';
    'InternetCache'         = '352481E8-33BE-4251-BA85-6007CAEDCF9D';
    'InternetFolder'        = '4D9F7874-4E0C-4904-967B-40B0D20C3E4B';
    'Links'                 = 'bfb9d5e0-c6a9-404c-b2b2-ae6db6af4968';
    'LocalAppData'          = 'F1B32785-6FBA-4FCF-9D55-7B8E7F157091';
    'LocalAppDataLow'       = 'A520A1A4-1780-4FF6-BD18-167343C5AF16';
    'LocalizedResourcesDir' = '2A00375E-224C-49DE-B8D1-440DF7EF3DDC';
    'Music'                 = '4BD8D571-6D19-48D3-BE97-422220080E43';
    'NetHood'               = 'C5ABBF53-E17F-4121-8900-86626FC2C973';
    'NetworkFolder'         = 'D20BEEC4-5CA8-4905-AE3B-BF251EA09B53';
    'OriginalImages'        = '2C36C0AA-5812-4b87-BFD0-4CD0DFB19B39';
    'PhotoAlbums'           = '69D2CF90-FC33-4FB7-9A0C-EBB0F0FCB43C';
    'Pictures'              = '33E28130-4E1E-4676-835A-98395C3BC3BB';
    'Playlists'             = 'DE92C1C7-837F-4F69-A3BB-86E631204A23';
    'PrintersFolder'        = '76FC4E2D-D6AD-4519-A663-37BD56068185';
    'PrintHood'             = '9274BD8D-CFD1-41C3-B35E-B13F55A758F4';
    'Profile'               = '5E6C858F-0E22-4760-9AFE-EA3317B67173';
    'ProgramData'           = '62AB5D82-FDC1-4DC3-A9DD-070D1D495D97';
    'ProgramFiles'          = '905e63b6-c1bf-494e-b29c-65b732d3d21a';
    'ProgramFilesX64'       = '6D809377-6AF0-444b-8957-A3773F02200E';
    'ProgramFilesX86'       = '7C5A40EF-A0FB-4BFC-874A-C0F2E0B9FA8E';
    'ProgramFilesCommon'    = 'F7F1ED05-9F6D-47A2-AAAE-29D317C6F066';
    'ProgramFilesCommonX64' = '6365D5A7-0F0D-45E5-87F6-0DA56B6A4F7D';
    'ProgramFilesCommonX86' = 'DE974D24-D9C6-4D3E-BF91-F4455120B917';
    'Programs'              = 'A77F5D77-2E2B-44C3-A6A2-ABA601054A51';
    'Public'                = 'DFDF76A2-C82A-4D63-906A-5644AC457385';
    'PublicDesktop'         = 'C4AA340D-F20F-4863-AFEF-F87EF2E6BA25';
    'PublicDocuments'       = 'ED4824AF-DCE4-45A8-81E2-FC7965083634';
    'PublicDownloads'       = '3D644C9B-1FB8-4f30-9B45-F670235F79C0';
    'PublicGameTasks'       = 'DEBF2536-E1A8-4c59-B6A2-414586476AEA';
    'PublicMusic'           = '3214FAB5-9757-4298-BB61-92A9DEAA44FF';
    'PublicPictures'        = 'B6EBFB86-6907-413C-9AF7-4FC2ABF07CC5';
    'PublicVideos'          = '2400183A-6185-49FB-A2D8-4A392A602BA3';
    'QuickLaunch'           = '52a4f021-7b75-48a9-9f6b-4b87a210bc8f';
    'Recent'                = 'AE50C081-EBD2-438A-8655-8A092E34987A';
    'RecycleBinFolder'      = 'B7534046-3ECB-4C18-BE4E-64CD4CB7D6AC';
    'ResourceDir'           = '8AD10C31-2ADB-4296-A8F7-E4701232C972';
    'RoamingAppData'        = '3EB685DB-65F9-4CF6-A03A-E3EF65729F3D';
    'SampleMusic'           = 'B250C668-F57D-4EE1-A63C-290EE7D1AA1F';
    'SamplePictures'        = 'C4900540-2379-4C75-844B-64E6FAF8716B';
    'SamplePlaylists'       = '15CA69B3-30EE-49C1-ACE1-6B5EC372AFB5';
    'SampleVideos'          = '859EAD94-2E85-48AD-A71A-0969CB56A6CD';
    'SavedGames'            = '4C5C32FF-BB9D-43b0-B5B4-2D72E54EAAA4';
    'SavedSearches'         = '7d1d3a04-debb-4115-95cf-2f29da2920da';
    'SEARCH_CSC'            = 'ee32e446-31ca-4aba-814f-a5ebd2fd6d5e';
    'SEARCH_MAPI'           = '98ec0e18-2098-4d44-8644-66979315a281';
    'SearchHome'            = '190337d1-b8ca-4121-a639-6d472d16972a';
    'SendTo'                = '8983036C-27C0-404B-8F08-102D10DCFD74';
    'SidebarDefaultParts'   = '7B396E54-9EC5-4300-BE0A-2482EBAE1A26';
    'SidebarParts'          = 'A75D362E-50FC-4fb7-AC2C-A8BEAA314493';
    'StartMenu'             = '625B53C3-AB48-4EC1-BA1F-A1EF4146FC19';
    'Startup'               = 'B97D20BB-F46A-4C97-BA10-5E3608430854';
    'SyncManagerFolder'     = '43668BF8-C14E-49B2-97C9-747784D784B7';
    'SyncResultsFolder'     = '289a9a43-be44-4057-a41b-587a76d7e7f9';
    'SyncSetupFolder'       = '0F214138-B1D3-4a90-BBA9-27CBC0C5389A';
    'System'                = '1AC14E77-02E7-4E5D-B744-2EB1AE5198B7';
    'SystemX86'             = 'D65231B0-B2F1-4857-A4CE-A8E7C6EA7D27';
    'Templates'             = 'A63293E8-664E-48DB-A079-DF759E0509F7';
    'TreeProperties'        = '5b3749ad-b49f-49c1-83eb-15370fbd4882';
    'UserProfiles'          = '0762D272-C50A-4BB0-A382-697DCD729B80';
    'UsersFiles'            = 'f3ce0f7c-4901-4acc-8648-d5d44b04ef8f';
    'Videos'                = '18989B1D-99B5-455B-841C-AB7C74E4DDFC';
    'Windows'               = 'F38BF404-1D43-42F2-9305-67DE0B28FC23';
}
# Settings KnownFolders to be in script scope breaks the validator when Import-module is used 2 times.
# New-Variable -Name KnownFolders -Value $KnownFolders -Scope Script -Force
# class ValidKnownFoldersGenerator : IValidateSetValuesGenerator {
#     #Preferably I would hide this class but I don't know enough powershell to scope it out of global
#     [string[]] GetValidValues() {
#         $Values = $global:KnownFolders.Keys
#         echo $Values
#         return $Values
#     }
# }
function Set-KnownFolderPath {
    <#
    .SYNOPSIS
        Sets a known folder's path using SHSetKnownFolderPath.
    .PARAMETER KnownFolder
        The known folder whose path to set.
    .PARAMETER Path
        The path.
    .INPUTS
        None. You cannot pipe objects to Set-KnownFolderPath.
    .OUTPUTS
        Int. Set-KnownFolderPath returns an int with the return code of SHSetKnownFolderPath        
    .EXAMPLE
        PS> Set-KnownFolderPath Desktop $ENV:USERPROFILE/Desktop
        0
    .EXAMPLE
        PS> Set-KnownFolderPath -KnownFolder Desktop -Path $ENV:USERPROFILE/Desktop
        0
    .LINK
        https://docs.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-shsetknownfolderpath
    .LINK
        https://stackoverflow.com/questions/25709398/set-location-of-special-folders-with-powershell
    #>
    Param (
        [Parameter(Mandatory = $true)]
        # [ValidateSet([ValidKnownFoldersGenerator])]
        [ValidateSet('3DObjects', 'AddNewPrograms', 'AdminTools', 'AppUpdates', 'CDBurning', 'ChangeRemovePrograms', 'CommonAdminTools', 'CommonOEMLinks', 'CommonPrograms', 'CommonStartMenu', 'CommonStartup', 'CommonTemplates', 'ComputerFolder', 'ConflictFolder', 'ConnectionsFolder', 'Contacts', 'ControlPanelFolder', 'Cookies', 'Desktop', 'Documents', 'Downloads', 'Favorites', 'Fonts', 'Games', 'GameTasks', 'History', 'InternetCache', 'InternetFolder', 'Links', 'LocalAppData', 'LocalAppDataLow', 'LocalizedResourcesDir', 'Music', 'NetHood', 'NetworkFolder', 'OriginalImages', 'PhotoAlbums', 'Pictures', 'Playlists', 'PrintersFolder', 'PrintHood', 'Profile', 'ProgramData', 'ProgramFiles', 'ProgramFilesX64', 'ProgramFilesX86', 'ProgramFilesCommon', 'ProgramFilesCommonX64', 'ProgramFilesCommonX86', 'Programs', 'Public', 'PublicDesktop', 'PublicDocuments', 'PublicDownloads', 'PublicGameTasks', 'PublicMusic', 'PublicPictures', 'PublicVideos', 'QuickLaunch', 'Recent', 'RecycleBinFolder', 'ResourceDir', 'RoamingAppData', 'SampleMusic', 'SamplePictures', 'SamplePlaylists', 'SampleVideos', 'SavedGames', 'SavedSearches', 'SEARCH_CSC', 'SEARCH_MAPI', 'SearchHome', 'SendTo', 'SidebarDefaultParts', 'SidebarParts', 'StartMenu', 'Startup', 'SyncManagerFolder', 'SyncResultsFolder', 'SyncSetupFolder', 'System', 'SystemX86', 'Templates', 'TreeProperties', 'UserProfiles', 'UsersFiles', 'Videos', 'Windows')]
        [string]$KnownFolder,
            
        [Parameter(Mandatory = $true)]
        [string]$Path
    )
    
    # Define SHSetKnownFolderPath if it hasn't been defined already
    $Type = ([System.Management.Automation.PSTypeName]'KnownFolders.SHSetKnownFolderPathPS').Type
    if (-not $Type) {
        # http://www.pinvoke.net/default.aspx/shell32/SHSetKnownFolderPath.html
        $Signature = @'
[DllImport("shell32.dll")]
public extern static int SHSetKnownFolderPath(ref Guid folderId, uint flags, IntPtr token, [MarshalAs(UnmanagedType.LPWStr)] string path);
'@
        $Type = Add-Type -MemberDefinition $Signature -Namespace 'KnownFolders' -Name 'SHSetKnownFolderPathPS' -PassThru
    }
    
    # Validate the path
    if (Test-Path $Path -PathType Container) {
        # Call SHSetKnownFolderPath
        return $Type::SHSetKnownFolderPath([ref]$KnownFolders[$KnownFolder], 0, 0, $Path)
    }
    else {
        throw New-Object System.IO.DirectoryNotFoundException "Could not find part of the path $Path."
    }
}
function Get-KnownFolderPath {
    <#
    .SYNOPSIS
        Gets a known folder's path using SHGetKnownFolderPath.
    .PARAMETER KnownFolder
        The known folder whose path to get.
    .PARAMETER Path
        The path.
    .INPUTS
        None. You cannot pipe objects to Get-KnownFolderPath.
    .OUTPUTS
        Int. Get-KnownFolderPath returns an int with the return code of SHGetKnownFolderPath
    .EXAMPLE
        PS> Get-KnownFolderPath Desktop ([ref]$Path)
        0
    .EXAMPLE
        PS> $Path = ""
        PS> Get-KnownFolderPath -KnownFolder Desktop -Path ([ref]$Path)
        0
        PS>$Path #Check the value of path
        C:\Users\user\Desktop
    .LINK
        https://docs.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-shgetknownfolderpath
    .LINK
        https://stackoverflow.com/questions/25709398/set-location-of-special-folders-with-powershell
    #>
    Param (
        [Parameter(Mandatory = $true)]
        # [ValidateSet([ValidKnownFoldersGenerator])]
        [ValidateSet('3DObjects', 'AddNewPrograms', 'AdminTools', 'AppUpdates', 'CDBurning', 'ChangeRemovePrograms', 'CommonAdminTools', 'CommonOEMLinks', 'CommonPrograms', 'CommonStartMenu', 'CommonStartup', 'CommonTemplates', 'ComputerFolder', 'ConflictFolder', 'ConnectionsFolder', 'Contacts', 'ControlPanelFolder', 'Cookies', 'Desktop', 'Documents', 'Downloads', 'Favorites', 'Fonts', 'Games', 'GameTasks', 'History', 'InternetCache', 'InternetFolder', 'Links', 'LocalAppData', 'LocalAppDataLow', 'LocalizedResourcesDir', 'Music', 'NetHood', 'NetworkFolder', 'OriginalImages', 'PhotoAlbums', 'Pictures', 'Playlists', 'PrintersFolder', 'PrintHood', 'Profile', 'ProgramData', 'ProgramFiles', 'ProgramFilesX64', 'ProgramFilesX86', 'ProgramFilesCommon', 'ProgramFilesCommonX64', 'ProgramFilesCommonX86', 'Programs', 'Public', 'PublicDesktop', 'PublicDocuments', 'PublicDownloads', 'PublicGameTasks', 'PublicMusic', 'PublicPictures', 'PublicVideos', 'QuickLaunch', 'Recent', 'RecycleBinFolder', 'ResourceDir', 'RoamingAppData', 'SampleMusic', 'SamplePictures', 'SamplePlaylists', 'SampleVideos', 'SavedGames', 'SavedSearches', 'SEARCH_CSC', 'SEARCH_MAPI', 'SearchHome', 'SendTo', 'SidebarDefaultParts', 'SidebarParts', 'StartMenu', 'Startup', 'SyncManagerFolder', 'SyncResultsFolder', 'SyncSetupFolder', 'System', 'SystemX86', 'Templates', 'TreeProperties', 'UserProfiles', 'UsersFiles', 'Videos', 'Windows')]
        [string]$KnownFolder,
        [Parameter(Mandatory = $true)]
        [ref]$Path
    )
    # Define SHGetKnownFolderPathif it hasn't been defined already
    $Type = ([System.Management.Automation.PSTypeName]'KnownFolders.SHGetKnownFolderPathPS').Type
    if (-not $Type) {
        # http://www.pinvoke.net/default.aspx/shell32/SHGetKnownFolderPath.html
        $Signature = @'
[DllImport("shell32.dll")]
public extern static int SHGetKnownFolderPath(ref Guid folderId, uint flags, IntPtr token,[MarshalAs(UnmanagedType.LPWStr)] out string pszPath);
'@
        $Type = Add-Type -MemberDefinition $Signature -Namespace 'KnownFolders' -Name 'SHGetKnownFolderPathPS' -PassThru
    }
    # I am not sure why I need to work around like this instead of passing $Path directly but the value doesn't propegate outside...
    $_Path = ""
    $code = $Type::SHGetKnownFolderPath([ref]$KnownFolders[$KnownFolder], 0, 0, [ref]$_Path)
    $Path.value = $_Path
    return $code
}

KnownFolderPathPS7.ps1

#PS 7.1
<#
.SYNOPSIS
    Requires powershell 7 or later, see other revision for powershell 5.
    Provides Get and Set functions for KnownFolders
.EXAMPLE
    PS> Set-KnownFolderPath Desktop $ENV:USERPROFILE/Desktop
.EXAMPLE
    PS> $Path=""
    PS> Get-KnownFolderPath Desktop ([ref]$Path)
.LINK
    https://docs.microsoft.com/en-us/windows/win32/shell/known-folders
.LINK
    https://stackoverflow.com/questions/25709398/set-location-of-special-folders-with-powershell
.LINK
    https://gist.github.com/YoraiLevi/0f333d520f502fdb1244cdf0524db6d2
#>

using namespace System.Management.Automation

# Define known folder GUIDs
$KnownFolders = @{
    '3DObjects'             = '31C0DD25-9439-4F12-BF41-7FF4EDA38722';
    'AddNewPrograms'        = 'de61d971-5ebc-4f02-a3a9-6c82895e5c04';
    'AdminTools'            = '724EF170-A42D-4FEF-9F26-B60E846FBA4F';
    'AppUpdates'            = 'a305ce99-f527-492b-8b1a-7e76fa98d6e4';
    'CDBurning'             = '9E52AB10-F80D-49DF-ACB8-4330F5687855';
    'ChangeRemovePrograms'  = 'df7266ac-9274-4867-8d55-3bd661de872d';
    'CommonAdminTools'      = 'D0384E7D-BAC3-4797-8F14-CBA229B392B5';
    'CommonOEMLinks'        = 'C1BAE2D0-10DF-4334-BEDD-7AA20B227A9D';
    'CommonPrograms'        = '0139D44E-6AFE-49F2-8690-3DAFCAE6FFB8';
    'CommonStartMenu'       = 'A4115719-D62E-491D-AA7C-E74B8BE3B067';
    'CommonStartup'         = '82A5EA35-D9CD-47C5-9629-E15D2F714E6E';
    'CommonTemplates'       = 'B94237E7-57AC-4347-9151-B08C6C32D1F7';
    'ComputerFolder'        = '0AC0837C-BBF8-452A-850D-79D08E667CA7';
    'ConflictFolder'        = '4bfefb45-347d-4006-a5be-ac0cb0567192';
    'ConnectionsFolder'     = '6F0CD92B-2E97-45D1-88FF-B0D186B8DEDD';
    'Contacts'              = '56784854-C6CB-462b-8169-88E350ACB882';
    'ControlPanelFolder'    = '82A74AEB-AEB4-465C-A014-D097EE346D63';
    'Cookies'               = '2B0F765D-C0E9-4171-908E-08A611B84FF6';
    'Desktop'               = 'B4BFCC3A-DB2C-424C-B029-7FE99A87C641';
    'Documents'             = 'FDD39AD0-238F-46AF-ADB4-6C85480369C7';
    'Downloads'             = '374DE290-123F-4565-9164-39C4925E467B';
    'Favorites'             = '1777F761-68AD-4D8A-87BD-30B759FA33DD';
    'Fonts'                 = 'FD228CB7-AE11-4AE3-864C-16F3910AB8FE';
    'Games'                 = 'CAC52C1A-B53D-4edc-92D7-6B2E8AC19434';
    'GameTasks'             = '054FAE61-4DD8-4787-80B6-090220C4B700';
    'History'               = 'D9DC8A3B-B784-432E-A781-5A1130A75963';
    'InternetCache'         = '352481E8-33BE-4251-BA85-6007CAEDCF9D';
    'InternetFolder'        = '4D9F7874-4E0C-4904-967B-40B0D20C3E4B';
    'Links'                 = 'bfb9d5e0-c6a9-404c-b2b2-ae6db6af4968';
    'LocalAppData'          = 'F1B32785-6FBA-4FCF-9D55-7B8E7F157091';
    'LocalAppDataLow'       = 'A520A1A4-1780-4FF6-BD18-167343C5AF16';
    'LocalizedResourcesDir' = '2A00375E-224C-49DE-B8D1-440DF7EF3DDC';
    'Music'                 = '4BD8D571-6D19-48D3-BE97-422220080E43';
    'NetHood'               = 'C5ABBF53-E17F-4121-8900-86626FC2C973';
    'NetworkFolder'         = 'D20BEEC4-5CA8-4905-AE3B-BF251EA09B53';
    'OriginalImages'        = '2C36C0AA-5812-4b87-BFD0-4CD0DFB19B39';
    'PhotoAlbums'           = '69D2CF90-FC33-4FB7-9A0C-EBB0F0FCB43C';
    'Pictures'              = '33E28130-4E1E-4676-835A-98395C3BC3BB';
    'Playlists'             = 'DE92C1C7-837F-4F69-A3BB-86E631204A23';
    'PrintersFolder'        = '76FC4E2D-D6AD-4519-A663-37BD56068185';
    'PrintHood'             = '9274BD8D-CFD1-41C3-B35E-B13F55A758F4';
    'Profile'               = '5E6C858F-0E22-4760-9AFE-EA3317B67173';
    'ProgramData'           = '62AB5D82-FDC1-4DC3-A9DD-070D1D495D97';
    'ProgramFiles'          = '905e63b6-c1bf-494e-b29c-65b732d3d21a';
    'ProgramFilesX64'       = '6D809377-6AF0-444b-8957-A3773F02200E';
    'ProgramFilesX86'       = '7C5A40EF-A0FB-4BFC-874A-C0F2E0B9FA8E';
    'ProgramFilesCommon'    = 'F7F1ED05-9F6D-47A2-AAAE-29D317C6F066';
    'ProgramFilesCommonX64' = '6365D5A7-0F0D-45E5-87F6-0DA56B6A4F7D';
    'ProgramFilesCommonX86' = 'DE974D24-D9C6-4D3E-BF91-F4455120B917';
    'Programs'              = 'A77F5D77-2E2B-44C3-A6A2-ABA601054A51';
    'Public'                = 'DFDF76A2-C82A-4D63-906A-5644AC457385';
    'PublicDesktop'         = 'C4AA340D-F20F-4863-AFEF-F87EF2E6BA25';
    'PublicDocuments'       = 'ED4824AF-DCE4-45A8-81E2-FC7965083634';
    'PublicDownloads'       = '3D644C9B-1FB8-4f30-9B45-F670235F79C0';
    'PublicGameTasks'       = 'DEBF2536-E1A8-4c59-B6A2-414586476AEA';
    'PublicMusic'           = '3214FAB5-9757-4298-BB61-92A9DEAA44FF';
    'PublicPictures'        = 'B6EBFB86-6907-413C-9AF7-4FC2ABF07CC5';
    'PublicVideos'          = '2400183A-6185-49FB-A2D8-4A392A602BA3';
    'QuickLaunch'           = '52a4f021-7b75-48a9-9f6b-4b87a210bc8f';
    'Recent'                = 'AE50C081-EBD2-438A-8655-8A092E34987A';
    'RecycleBinFolder'      = 'B7534046-3ECB-4C18-BE4E-64CD4CB7D6AC';
    'ResourceDir'           = '8AD10C31-2ADB-4296-A8F7-E4701232C972';
    'RoamingAppData'        = '3EB685DB-65F9-4CF6-A03A-E3EF65729F3D';
    'SampleMusic'           = 'B250C668-F57D-4EE1-A63C-290EE7D1AA1F';
    'SamplePictures'        = 'C4900540-2379-4C75-844B-64E6FAF8716B';
    'SamplePlaylists'       = '15CA69B3-30EE-49C1-ACE1-6B5EC372AFB5';
    'SampleVideos'          = '859EAD94-2E85-48AD-A71A-0969CB56A6CD';
    'SavedGames'            = '4C5C32FF-BB9D-43b0-B5B4-2D72E54EAAA4';
    'SavedSearches'         = '7d1d3a04-debb-4115-95cf-2f29da2920da';
    'SEARCH_CSC'            = 'ee32e446-31ca-4aba-814f-a5ebd2fd6d5e';
    'SEARCH_MAPI'           = '98ec0e18-2098-4d44-8644-66979315a281';
    'SearchHome'            = '190337d1-b8ca-4121-a639-6d472d16972a';
    'SendTo'                = '8983036C-27C0-404B-8F08-102D10DCFD74';
    'SidebarDefaultParts'   = '7B396E54-9EC5-4300-BE0A-2482EBAE1A26';
    'SidebarParts'          = 'A75D362E-50FC-4fb7-AC2C-A8BEAA314493';
    'StartMenu'             = '625B53C3-AB48-4EC1-BA1F-A1EF4146FC19';
    'Startup'               = 'B97D20BB-F46A-4C97-BA10-5E3608430854';
    'SyncManagerFolder'     = '43668BF8-C14E-49B2-97C9-747784D784B7';
    'SyncResultsFolder'     = '289a9a43-be44-4057-a41b-587a76d7e7f9';
    'SyncSetupFolder'       = '0F214138-B1D3-4a90-BBA9-27CBC0C5389A';
    'System'                = '1AC14E77-02E7-4E5D-B744-2EB1AE5198B7';
    'SystemX86'             = 'D65231B0-B2F1-4857-A4CE-A8E7C6EA7D27';
    'Templates'             = 'A63293E8-664E-48DB-A079-DF759E0509F7';
    'TreeProperties'        = '5b3749ad-b49f-49c1-83eb-15370fbd4882';
    'UserProfiles'          = '0762D272-C50A-4BB0-A382-697DCD729B80';
    'UsersFiles'            = 'f3ce0f7c-4901-4acc-8648-d5d44b04ef8f';
    'Videos'                = '18989B1D-99B5-455B-841C-AB7C74E4DDFC';
    'Windows'               = 'F38BF404-1D43-42F2-9305-67DE0B28FC23';
}
# Settings KnownFolders to be in script scope breaks the validator when Import-module is used 2 times.
# New-Variable -Name KnownFolders -Value $KnownFolders -Scope Script -Force
class ValidKnownFoldersGenerator : IValidateSetValuesGenerator {
    #Preferably I would hide this class but I don't know enough powershell to scope it out of global
    [string[]] GetValidValues() {
        $Values = $global:KnownFolders.Keys
        echo $Values
        return $Values
    }
}
echo $KnownFolders
function Set-KnownFolderPath {
    <#
    .SYNOPSIS
        Sets a known folder's path using SHSetKnownFolderPath.
    .PARAMETER KnownFolder
        The known folder whose path to set.
    .PARAMETER Path
        The path.
    .INPUTS
        None. You cannot pipe objects to Set-KnownFolderPath.
    .OUTPUTS
        Int. Set-KnownFolderPath returns an int with the return code of SHSetKnownFolderPath        
    .EXAMPLE
        PS> Set-KnownFolderPath Desktop $ENV:USERPROFILE/Desktop
        0
    .EXAMPLE
        PS> Set-KnownFolderPath -KnownFolder Desktop -Path $ENV:USERPROFILE/Desktop
        0
    .LINK
        https://docs.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-shsetknownfolderpath
    .LINK
        https://stackoverflow.com/questions/25709398/set-location-of-special-folders-with-powershell
    #>
    Param (
        [Parameter(Mandatory = $true)]
        [ValidateSet([ValidKnownFoldersGenerator])]
        # [ValidateSet('3DObjects', 'AddNewPrograms', 'AdminTools', 'AppUpdates', 'CDBurning', 'ChangeRemovePrograms', 'CommonAdminTools', 'CommonOEMLinks', 'CommonPrograms', 'CommonStartMenu', 'CommonStartup', 'CommonTemplates', 'ComputerFolder', 'ConflictFolder', 'ConnectionsFolder', 'Contacts', 'ControlPanelFolder', 'Cookies', 'Desktop', 'Documents', 'Downloads', 'Favorites', 'Fonts', 'Games', 'GameTasks', 'History', 'InternetCache', 'InternetFolder', 'Links', 'LocalAppData', 'LocalAppDataLow', 'LocalizedResourcesDir', 'Music', 'NetHood', 'NetworkFolder', 'OriginalImages', 'PhotoAlbums', 'Pictures', 'Playlists', 'PrintersFolder', 'PrintHood', 'Profile', 'ProgramData', 'ProgramFiles', 'ProgramFilesX64', 'ProgramFilesX86', 'ProgramFilesCommon', 'ProgramFilesCommonX64', 'ProgramFilesCommonX86', 'Programs', 'Public', 'PublicDesktop', 'PublicDocuments', 'PublicDownloads', 'PublicGameTasks', 'PublicMusic', 'PublicPictures', 'PublicVideos', 'QuickLaunch', 'Recent', 'RecycleBinFolder', 'ResourceDir', 'RoamingAppData', 'SampleMusic', 'SamplePictures', 'SamplePlaylists', 'SampleVideos', 'SavedGames', 'SavedSearches', 'SEARCH_CSC', 'SEARCH_MAPI', 'SearchHome', 'SendTo', 'SidebarDefaultParts', 'SidebarParts', 'StartMenu', 'Startup', 'SyncManagerFolder', 'SyncResultsFolder', 'SyncSetupFolder', 'System', 'SystemX86', 'Templates', 'TreeProperties', 'UserProfiles', 'UsersFiles', 'Videos', 'Windows')]
        [string]$KnownFolder,
            
        [Parameter(Mandatory = $true)]
        [string]$Path
    )
    
    # Define SHSetKnownFolderPath if it hasn't been defined already
    $Type = ([System.Management.Automation.PSTypeName]'KnownFolders.SHSetKnownFolderPathPS').Type
    if (-not $Type) {
        # http://www.pinvoke.net/default.aspx/shell32/SHSetKnownFolderPath.html
        $Signature = @'
[DllImport("shell32.dll")]
public extern static int SHSetKnownFolderPath(ref Guid folderId, uint flags, IntPtr token, [MarshalAs(UnmanagedType.LPWStr)] string path);
'@
        $Type = Add-Type -MemberDefinition $Signature -Namespace 'KnownFolders' -Name 'SHSetKnownFolderPathPS' -PassThru
    }
    
    # Validate the path
    if (Test-Path $Path -PathType Container) {
        # Call SHSetKnownFolderPath
        return $Type::SHSetKnownFolderPath([ref]$KnownFolders[$KnownFolder], 0, 0, $Path)
    }
    else {
        throw New-Object System.IO.DirectoryNotFoundException "Could not find part of the path $Path."
    }
}
function Get-KnownFolderPath {
    <#
    .SYNOPSIS
        Gets a known folder's path using SHGetKnownFolderPath.
    .PARAMETER KnownFolder
        The known folder whose path to get.
    .PARAMETER Path
        The path.
    .INPUTS
        None. You cannot pipe objects to Get-KnownFolderPath.
    .OUTPUTS
        Int. Get-KnownFolderPath returns an int with the return code of SHGetKnownFolderPath
    .EXAMPLE
        PS> Get-KnownFolderPath Desktop ([ref]$Path)
        0
    .EXAMPLE
        PS> $Path = ""
        PS> Get-KnownFolderPath -KnownFolder Desktop -Path ([ref]$Path)
        0
        PS>$Path #Check the value of path
        C:\Users\user\Desktop
    .LINK
        https://docs.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-shgetknownfolderpath
    .LINK
        https://stackoverflow.com/questions/25709398/set-location-of-special-folders-with-powershell
    #>
    Param (
        [Parameter(Mandatory = $true)]
        [ValidateSet([ValidKnownFoldersGenerator])]
        # [ValidateSet('3DObjects', 'AddNewPrograms', 'AdminTools', 'AppUpdates', 'CDBurning', 'ChangeRemovePrograms', 'CommonAdminTools', 'CommonOEMLinks', 'CommonPrograms', 'CommonStartMenu', 'CommonStartup', 'CommonTemplates', 'ComputerFolder', 'ConflictFolder', 'ConnectionsFolder', 'Contacts', 'ControlPanelFolder', 'Cookies', 'Desktop', 'Documents', 'Downloads', 'Favorites', 'Fonts', 'Games', 'GameTasks', 'History', 'InternetCache', 'InternetFolder', 'Links', 'LocalAppData', 'LocalAppDataLow', 'LocalizedResourcesDir', 'Music', 'NetHood', 'NetworkFolder', 'OriginalImages', 'PhotoAlbums', 'Pictures', 'Playlists', 'PrintersFolder', 'PrintHood', 'Profile', 'ProgramData', 'ProgramFiles', 'ProgramFilesX64', 'ProgramFilesX86', 'ProgramFilesCommon', 'ProgramFilesCommonX64', 'ProgramFilesCommonX86', 'Programs', 'Public', 'PublicDesktop', 'PublicDocuments', 'PublicDownloads', 'PublicGameTasks', 'PublicMusic', 'PublicPictures', 'PublicVideos', 'QuickLaunch', 'Recent', 'RecycleBinFolder', 'ResourceDir', 'RoamingAppData', 'SampleMusic', 'SamplePictures', 'SamplePlaylists', 'SampleVideos', 'SavedGames', 'SavedSearches', 'SEARCH_CSC', 'SEARCH_MAPI', 'SearchHome', 'SendTo', 'SidebarDefaultParts', 'SidebarParts', 'StartMenu', 'Startup', 'SyncManagerFolder', 'SyncResultsFolder', 'SyncSetupFolder', 'System', 'SystemX86', 'Templates', 'TreeProperties', 'UserProfiles', 'UsersFiles', 'Videos', 'Windows')]
        [string]$KnownFolder,
        [Parameter(Mandatory = $true)]
        [ref]$Path
    )
    # Define SHGetKnownFolderPathif it hasn't been defined already
    $Type = ([System.Management.Automation.PSTypeName]'KnownFolders.SHGetKnownFolderPathPS').Type
    if (-not $Type) {
        # http://www.pinvoke.net/default.aspx/shell32/SHGetKnownFolderPath.html
        $Signature = @'
[DllImport("shell32.dll")]
public extern static int SHGetKnownFolderPath(ref Guid folderId, uint flags, IntPtr token,[MarshalAs(UnmanagedType.LPWStr)] out string pszPath);
'@
        $Type = Add-Type -MemberDefinition $Signature -Namespace 'KnownFolders' -Name 'SHGetKnownFolderPathPS' -PassThru
    }
    # I am not sure why I need to work around like this instead of passing $Path directly but the value doesn't propegate outside...
    $_Path = ""
    $code = $Type::SHGetKnownFolderPath([ref]$KnownFolders[$KnownFolder], 0, 0, [ref]$_Path)
    $Path.value = $_Path
    return $code
}

Set-KnownFolderPath.ps1

Import-Module ./KnownFolderPathPS5.ps1
$Path=""
Get-KnownFolderPath Desktop ([ref]$Path)
echo $Path
Set-KnownFolderPath Desktop $ENV:USERPROFILE/Desktop
Get-KnownFolderPath Desktop ([ref]$Path)
echo $Path

Hello , when I import , it retrun this
thk

PS C:\Users\36554\Desktop> Import-Module ./KnownFolderPath.ps1
Location C:\Users\36554\Desktop\KnownFolderPath.ps1:112 character: 36
+ class ValidKnownFoldersGenerator : IValidateSetValuesGenerator {
+                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
Type not found [IValidateSetValuesGenerator]。
    + CategoryInfo          : ParserError: (:) [], ParentContainsErrorRecordException
    + FullyQualifiedErrorId : TypeNotFound

my powershell:

PS C:\Users\36554\Desktop> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      5.1.19041.906
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.19041.906
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

Hello , when I import , it retrun this
thk

PS C:\Users\36554\Desktop> Import-Module ./KnownFolderPath.ps1
Location C:\Users\36554\Desktop\KnownFolderPath.ps1:112 character: 36
+ class ValidKnownFoldersGenerator : IValidateSetValuesGenerator {
+                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
Type not found [IValidateSetValuesGenerator]。
    + CategoryInfo          : ParserError: (:) [], ParentContainsErrorRecordException
    + FullyQualifiedErrorId : TypeNotFound

my powershell:

PS C:\Users\36554\Desktop> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      5.1.19041.906
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.19041.906
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

This version runs on

PS C:\Users\user>  $PSVersionTable

Name                           Value
----                           -----
PSVersion                      7.1.3
PSEdition                      Core
GitCommitId                    7.1.3
OS                             Microsoft Windows 10.0.19042
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

i'll add a version running on 5.1