[MSDN Library June 1998] Optional Ease-of-Use Features (29.4536253947506%)

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

[MSDN Library June 1998] Optional Graphics Driver Functions (25.2613511858651%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Graphics Drivers > Design Guide > Part 1: Graphics Drivers > Chapter 3 Supporting the DDI > Graphics Driver Function Support

[MSDN Library June 1998] Optional Interfaces for the Visual Designer (24.7739168149707%)

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 Sessions (24.6376631717844%)

MSDN Library Visual Studio 6.0 > Conference Papers > PDC 96 Conference Papers > Exploiting Distributed Services > Day 4 (Thursday, November 7)

[MSDN Library June 1998] Optional Implementation (24.5439136498992%)

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