[MSDN Library June 1998] DRV_OPEN (40.1619433198381%)

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 April 2000] DRV_OPEN (40.1619433198381%)

MSDN Library - April 2000 > Platform SDK > Graphics and Multimedia Services > Windows Multimedia > Multimedia Appendix > Installable Drivers > Installable Driver Reference > Driver Messages

[MSDN Library June 1998] DRV_OPEN (38.9668174962293%)

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 April 2000] DRV_OPEN (38.9668174962293%)

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 (38.1282051282051%)

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 June 1998] DRV_OPEN (37.0781156827668%)

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 April 2000] DRV_OPEN (35.0603318250377%)

MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Pen Device Driver > Reference > Messages

[MSDN Library June 1998] DRV_OPEN (34.1232423490488%)

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

[MSDN Library April 2000] DRV_OPEN and DRV_CLOSE (27.7409845056904%)

MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Pen Device Driver > Message Processing > Required Pen Driver Messages