The following parts of the msctls_hotkey32, SysIPAddress32, Edit and msctls_updown32 API (Windows 10) are not used:

Control styles:
---------------
- ES_WANTRETURN (https://msdn.microsoft.com/en-us/library/ms672063.aspx)
	-> doesn't seem to be required

Messages:
---------
- EM_GETHANDLE (https://msdn.microsoft.com/en-us/library/ms672071.aspx)
	-> "Windows 95/98/Me: Although this message returns a nonzero value, the resulting value is not useful to a 32-bit application."
	-> doesn't seem to have any real use for VB6 apps
	-> can be used easily via SendMessage()
- EM_SETHANDLE (https://msdn.microsoft.com/en-us/library/ms672094.aspx)
	-> doesn't seem to have any real use for VB6 apps
	-> can be used easily via SendMessage()
- EM_GETHILITE (https://msdn.microsoft.com/en-us/library/aa361869.aspx)
	-> "Not currently implemented."
	-> https://blogs.msdn.com/oldnewthing/archive/2007/10/25/5658731.aspx
- EM_SETHILITE (https://msdn.microsoft.com/en-us/library/aa361870.aspx)
	-> "Not currently implemented."
	-> https://blogs.msdn.com/oldnewthing/archive/2007/10/25/5658731.aspx
- EM_LIMITTEXT (https://msdn.microsoft.com/en-us/library/ms672084.aspx)
	-> identical to EM_SETLIMITTEXT
- EM_NOSETFOCUS
- EM_TAKEFOCUS

Flags:
------
- EM_GETIMESTATUS/EIMES_GETCOMPSTRATONCE (https://msdn.microsoft.com/en-us/library/ms672072.aspx)
	-> might be too low level
- EM_SETIMESTATUS/EIMES_GETCOMPSTRATONCE (https://msdn.microsoft.com/en-us/library/ms672095.aspx)
	-> might be too low level