function Get-AvailableExtendedFilePropertyTable

function Get-AvailableExtendedFilePropertyTable
    {

    <#
    Comment Based Help goes here ...
    #>

    [CmdletBinding()]
    Param
        (
        # add something to get only the matching names?
        )

    begin
        {
        $Path = 'C:\'
        $MetaDataLookup = [ordered]@{}
        $DefaultNameSpace = (New-Object -ComObject Shell.Application).NameSpace($Path)
        }

    process
        {
        # the 400 seems to be a magic number indicating the max possible items
        foreach ($Index in 1..400)
            {
            $DefaultNameSpace.GetDetailsOf($DefaultNameSpace, $Index) |
                Where-Object {-not [string]::IsNullOrEmpty($_)} |
                ForEach-Object {$MetaDataLookup.Add($_, $Index)}
            }
        }

    end
        {
        $MetaDataLookup
        }

    } # end >> function