[MSDN Library June 1998] Required Report Message Properties (100%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Messaging API (MAPI) > Guide > MAPI Programming Basics > Messages > About Message Properties

[MSDN Library June 1998] Required Properties for All Messages (86.8055555555556%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Messaging API (MAPI) > Guide > MAPI Programming Basics > Messages > About Message Properties

[MSDN Library June 1998] Required Pen Driver Messages (33.5321790006325%)

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

[MSDN Library June 1998] Required Command Messages for All Drivers (32.6126628201766%)

MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Design and Implementation Guide > MCI Device Drivers > About MCI Device Drivers

[MSDN Library September 1992] Required Command Messages (30.9719706119163%)

Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 4 Message Overview > Media Control Interface Messages

[MSDN Library June 1998] Required Translation DLL Functions (30.796568627451%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Microsoft Exchange Server > Gateway Programmer's Reference > Guide > Message Translation

[MSDN Library September 1992] Required Commands (28.2619352088662%)

Product Documentation > Multimedia Development Kit > Programmer's Reference > Chapter 7 MCI Command Strings > About MCI Commands

[MSDN Library September 1992] Required Commands for All Devices (23.727621483376%)

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

[MSDN Library September 1992] Required Command Messages for All Drivers (23.6643805966457%)

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

[MSDN Library September 1992] Required MIDI Messages for Internal Synthesizers (21.6464206650402%)

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