[MSDN Library April 2000] WODM_GETVOLUME (73.1754658385093%)
MSDN Library - April 2000 > Windows CE Documentation > Application Development > Windows CE Device Driver Kit > Device Driver Reference > Messages
[MSDN Library April 2000] WODM_GETVOLUME (71.75%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Multimedia Device Drivers > Audio Device Drivers > Messages
[MSDN Library April 2000] WODM_GETVOLUME (66.2878787878788%)
MSDN Library - April 2000 > DDK Documentation > Windows NT 4.0 DDK > Multimedia Drivers > Audio Device Drivers > Audio Driver Reference > Messages, User-Mode Audio Drivers
[MSDN Library September 1992] WODM_GETVOLUME (42.5855172060106%)
Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 2 Audio Device Drivers > Audio Device Driver Message Reference