They offer a slightly more modern, "Office-like" aesthetic compared to the Windows 95-style intrinsic controls. How to Add the Library to Your VB6 Project
Mixing them can cause Z-order and focus issues. If you use FM20 controls, try to use them throughout a given form. microsoft forms 20 object library vb6
: The FM20.dll is missing, unregistered, or blocked by Windows. Solution : They offer a slightly more modern, "Office-like" aesthetic