PowerShell cmdlet that returns .NET classes with at least one public field.

Get-ClassWithAtLeastOneField.ps1

#Requires -Version 7
<#
    .SYNOPSIS
        Return list of classes declared within the specified assembly that have at 
        least one public field. 

    .DESCRIPTION
        Return list of classes within an assembly that have at least one field.
        The use case is discovering fields that really should be properties.
  
    .EXAMPLE
        ./Get-ClassWithAtLeastOneField.ps1 -Path (Get-Item My.dll).FullName
#>

[CmdletBinding()]
param(
    [Parameter(Mandatory = $true)]
    [String] $Path
)

Add-Type -Path $Path
$Assembly = [AppDomain]::CurrentDomain.GetAssemblies() | Where-Object { $_.Location.EndsWith([IO.Path]::GetFileName($Path)) }
$Assembly.GetTypes() | Where-Object { $_.IsClass -and $_.GetFields().Length -gt 0 }