I see. The idea is the usage of the widestring just as a easy way to call the, behind the scene, SysAllocString and SysFreeString, that we need in this case. But we can always treat it as a buffer, setting its length, and moving data, explicitly, without casting.

In my opinion, it is ALWAYS a bad idea to use a string variable (whatever string flavour it is) to store anything else than actual text data.

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