The control of volume, which is realized by the XTRAS library. The library can work in all the MS Windows versions(95, 98, ME, NT, 2000 and XP with Direcor 7 and higher).
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Producers of sound cards do not always observe constants of API Windows, which are allocated by Microsoft. We have found a way to solve this serious problem so that our library can work with most of the sound cards.
List of functions: dmm_RegVolume, dmm_GetVolume, dmm_SetVolume, dmm_IsSoundCard, dmm_FadeTo
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