[MSDN Library April 2000] DRV_OPEN (41.9489247311828%)
MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows Multimedia > Multimedia Appendix > Installable Drivers > Installable Driver Reference > Driver Messages
[MSDN Library April 2000] DRV_OPEN (39.6553065670713%)
MSDN Library - April 2000 > DDK Documentation > Windows NT 4.0 DDK > Multimedia Drivers > Introduction to Multimedia Drivers > Multimedia Driver Reference > Messages, Multimedia Drivers
[MSDN Library April 2000] DRV_OPEN (38.4229390681004%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Pen Device Driver > Reference > Messages
[MSDN Library April 2000] DRV_OPEN (36.2361423689256%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Multimedia Device Drivers > Video Compression and Decompression Drivers > Messages
[MSDN Library September 1992] DRV_OPEN (34.1232423490488%)
Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 3: Messages, Structures, and Macros > Chapter 10 Installable Driver Messages
[MSDN Library April 2000] DRV_OPEN Message (33.4382889200561%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Multimedia Device Drivers > Joystick Device Drivers