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I have been unable to find any decent documentation on this function. The code base I am working with uses a function from winuser.h called LoadStringW which takes as arguments: (HINSTANCE hInstance, UINT uID, LPWSTR lpBuffer, int cchBufferMax).
What is this function? What is it for? When might it return 0?
LoadStringW is the Unicode version of LoadString.
The documentation states “If the function succeeds, the return value is the number of TCHARs copied into the buffer, not including the terminating NULL character, or zero if the string resource does not exist. To get extended error information, call GetLastError.”