[MSDN Library June 1998] Optional Printer Interface Driver Functions (25.9415064102564%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Graphics Drivers > Design Guide > Part 3: Print Components > Chapter 10 Supporting DDI Printing and User Interface Functions > Supporting Printer Interface Driver Functions

[MSDN Library June 1998] Optional Interfaces for the Visual Designer (25.362685560054%)

MSDN Library Visual Studio 6.0 > Tools and Technologies > ActiveX Designer Programmer's Reference > Chapter 3: Designing and Implementing an ActiveX Designer > Creating the Visual Designer

[MSDN Library June 1998] Optional Implementation (24.6875%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Active Directory Service Interfaces (ADSI) Version 2.0 > Guide > ADSI for Providers > Provider Minimum Requirements

[MSDN Library June 1998] Optional Display Driver Functions (24.4104853479853%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Graphics Drivers > Design Guide > Part 2: Display and Video Miniport Drivers > Chapter 5 DDI Support in Display Drivers > Display Driver DDI Functions

[MSDN Library June 1998] Optional Features of ACM Drivers (21.6203990901572%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > Audio Compression Manager Drivers > About the Audio Compression Manager