Code:

{:Converts Ansi string to Unicode string using specified code page.

@param s Ansi string.

@param codePage Code page to be used in conversion.

@returns Converted wide string.

}

function StringToWideString(const s: AnsiString; codePage: Word): WideString;

var

l: integer;

begin

if s = ''then

Result := ''

else

begin

l := MultiByteToWideChar(codePage, MB_PRECOMPOSED, PChar(@s[1]), - 1, nil, 0);

SetLength(Result, l - 1);

if l > 1then

MultiByteToWideChar(CodePage, MB_PRECOMPOSED, PChar(@s[1]),

- 1, PWideChar(@Result[1]), l - 1);

end;

end; { StringToWideString }