[MSDN Library June 1998] Optional Features of ACM Drivers (30.6363568243977%)

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

[MSDN Library June 1998] Optional Tag Values (26.9119104062641%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > Image Color Matching and Printer Drivers in Windows 95 > Overview of ICC 3.0 Profile Tags Used by Windows 95

[MSDN Library June 1998] Optional Interfaces for the Visual Designer (25.0327294084944%)

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 Display Driver Functions (24.753193960511%)

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 Ease-of-Use Features (24.363122359638%)

MSDN Library Visual Studio 6.0 > Specifications > Platforms > Windows Guidelines for Accessible Software Design > The Microsoft Windows Guidelines for Accessible Software Design > Summary of Recommendations