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on win98 if I use char instead of WCHAR when calling a function from a dll then will char be converted to WCHAR. I ask this because I get this error on win98 from a project developed on winxp;
Warning : Cannot register Unicode DLL on Windows 95
thanx in advance!
The dll is compiled to use unicode functions.
For example, you can have:
GetWindowText
GetWindowTextA (Ansi)
GetWindowTextW (Wide - unicode)
GetWindowText is #defined to GetWindowTextW if UNICODE is defined or GetWindowTextA if it is not.
The W version of functions are only available natively on Windows NT based systems.
Your dll has been compiled with UNICODE defined and therefore uses these W functions.
As the W functions are not available on Win9x the dll will fail.
Typically, a dll supplier will provide a unicode version that uses the W functions for NT and an ansi version that uses the A functions for 9x.
thanx.