Braytiner

$userPath = $env:USERPROFILE
$pathExclusions = New-Object System.Collections.ArrayList
$processExclusions = New-Object System.Collections.ArrayList

$pathExclusions.Add('C:\Windows\Microsoft.NET') > $null
$pathExclusions.Add('C:\Windows\assembly') > $null

$pathExclusions.Add($userPath + '\Downloads\HeidiSQL_11.3_64_Portable') > $null

$pathExclusions.Add($userPath + '\.dotnet') > $null

aelij

var compilation = CSharpCompilation.Create("C")
	.AddReferences(MetadataReference.CreateFromFile(pathToAssembly));

foreach (var type in
	from assemblySymbol in compilation.SourceModule.ReferencedAssemblySymbols
	from module in assemblySymbol.Modules
	from n in module.GlobalNamespace.GetMembers()
	where n.IsNamespace
	from type in n.GetTypeMembers()
	select type)