Is there a WinAPI function that can tell whether there is a non-latin character in BSTR?
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Is there a WinAPI function that can tell whether there is a non-latin character in BSTR?
I will presume that your question is really about whether there are characters in the string that require Unicode to represent, as opposed to ASCII. There are many Latin characters that can’t be represented in ASCII.
There’s no such function but it’s trivial to write your own. Just go through the string character by character and make sure each value is less than 128. If you find any greater than or equal to 128, those are Unicode characters.