[MSDN Library June 1998] DRV_OPEN (39.2600820232399%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > Multimedia Reference > Multimedia Appendixes > Installable Drivers > Installable Driver Reference > Driver Messages

[MSDN Library June 1998] DRV_OPEN (29.3474613242055%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > Video Compression and Decompression Drivers > Reference > Messages

[MSDN Library September 1992] DRV_OPEN (27.7409845056904%)

Product Documentation > Windows 3.1 SDK > Programmer's Reference Volume 3: Messages, Structures, and Macros > Chapter 10 Installable Driver Messages

[MSDN Library June 1998] DRV_OPEN (27.198985654868%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Multimedia Drivers > Introduction to Multimedia Drivers > Multimedia Driver Reference > Messages, Multimedia Drivers

[MSDN Library June 1998] DRV_OPEN (25.6487687939301%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > Pen Driver > Reference