Re: Converting WideChar/WideString to AnsiChar/AnsiString
"ckoegl" <koegl@xxxxxxxxxxxxx> wrote in message
news:e6eb3d02-23e4-4491-a9a4-be4469f97712@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
What is the exact definition of the WideChar to AnsiChar conversion
(and in extension of the WideString to AnsiString conversion)?
That depends on the conversion you use. Windows has a built-in function
whose name escapes me at the moment; something like UnicodeToMultiByte.
It shouldn't be too hard to find. IIAMN, Delphi uses it when you assign
a WideString to an AnsiString.
I suppose that for all WideChar values that are valid AnsiChar values
(i.e. the ones with Ord-values of 0 to 255) are preserved in the
conversion, but what about the rest?
The above-mentioned Windows function replaces them with question marks.
Which is not very good, but about the best you can do short of throwing
an exception.
Groetjes,
Maarten Wiltink
.
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