[MSDN Library April 2000] Required and Optional Interfaces for Message Store Providers (100%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Guide > Developing a Message Store Provider

[MSDN Library April 2000] Required Functionality for Transport Providers (82.0238095238095%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Guide > Developing a Transport Provider

[MSDN Library April 2000] Required Features for Address Book Providers (79.3452380952381%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Guide > Developing an Address Book Provider

[MSDN Library April 2000] Required Features for Address Book Containers (76.8452380952381%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Messaging API (MAPI) > Guide > Developing an Address Book Provider

[MSDN Library April 2000] Required Translation DLL Functions (42.1428571428571%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Microsoft Exchange Server > Gateway Programmer's Reference > Guide > Message Translation

[MSDN Library September 1992] Required MIDI Messages for Internal Synthesizers (26.533500496973%)

Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 2 Audio Device Drivers > Writing a MIDI Output Driver

[MSDN Library September 1992] Required Command Messages for All Drivers (24.826378827393%)

Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 3 MCI Device Drivers > Handling MCI Messages

[MSDN Library September 1992] Required Command Messages, Flags, and Data Structures (22.326378827393%)

Product Documentation > Windows 3.1 DDK > Multimedia Device Adaptation Guide > Chapter 3 MCI Device Drivers > Handling MCI Messages

[MSDN Library September 1992] Required Commands for All Devices (15.8387445887446%)

Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 7 MCI Command Strings > Experimenting with Command Strings

[MSDN Library September 1992] Required Command Set (14.8543123543124%)

Product Documentation > Multimedia Development Kit > Programmer's Reference > Appendix A MCI Command String Syntax Summary