An handled exception of type "System.IO.FileLoadException' occurred in mscorlib.dll.
Additional information: Attemp to load an unverifiable executable with fixups 
(IAT with more than 2 sections or a TLS
section). (Exception from HRESULT: 0x80131019)

using System::Collections::Generic;

...

array<Type^>^ typeArray;
Assembly^ theAssembly;

...

private void button_Clicked(...)
{
      theAssembly = Assembly::LoadFrom(textBox1->Text);
      typeArray = theAssembly->GetTypes();
      for each(Type^ type in typeArray)
             listBox1->Items->Add(Type->FullName);
}