about DLL and mt4 mt5

[hongbin fei]

I finished a dll, it can run under MT4, but cannot be run under MT5, what diff between mt4 and mt5 for dll? so strange

[Slava]

codeidea:
I finished a dll, it can run under MT4, but cannot be run under MT5, what diff between mt4 and mt5 for dll? so strange

strings: ANSI(MT4) - unicode(MT5)

datetime: 4 bytes integer(MT4) - 8 bytes integer(MT5)

[hongbin fei]

can I write a dll which can be used under MT4 and MT5 in same time?

[Slava]

codeidea:
can I write a dll which can be used under MT4 and MT5 in same time?

Yes. With different entries