private static unsafe string? HandleNfdResult(sw_nfdresult result, byte* outPath)
{
switch (result)
{
case sw_nfdresult.SW_NFD_ERROR:
var errPtr = sw_NFD_GetError();
throw new Exception(MarshalHelper.PtrToStringUTF8(errPtr));
case sw_nfdresult.SW_NFD_OKAY:
var str = MarshalHelper.PtrToStringUTF8(outPath)!;
sw_NFD_Free(outPath);
return str;
case sw_nfdresult.SW_NFD_CANCEL:
return null;
default:
throw new ArgumentOutOfRangeException();
}
}
