Thread: CreateFile() problem
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Unread 17-08-2005, 11:25
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Matt Leese Matt Leese is offline
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Re: CreateFile() problem
Quote:
Originally Posted by Dave Flowerday
Just FYI, this is because standard ASCII strings (char*) use 8 bits per character but Unicode (WCHAR*) use more (16 bits I believe). The compiler correctly stopped you from passing a string of 16 bit characters to a function that is expecting 8 bits per character. If it hadn't, your program would have behaved very unexpectedly.
To add just a little bit more information to this, when UNICODE is defined, WCHAR is 16-bits but when it is not defined WCHAR is only 8-bits (the same as a regular char). This is why the cast was failing.

Matt